Conceptual Physical Science (6th Edition)

Chapter 9

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Same nature of charges repel and opposite nature ... more

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Charge of proton and charge of electron are ... more

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Negatively charged. ; When a person walking across... more

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Electron attracts the proton with the same force ... more

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Force decreased by times;Force decreased by ... more

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Positively charged ; As the proton gets repelled ... more

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The charged head could not stick to the wall due ... more

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Potential energy increases twice and the electric ... more

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The difference in potentials of the terminals of ... more

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The electric shock caused by the electric current... more

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The current flow through the other lamp ceases and... more

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The brightness of the lamps decreases. ; If more ... more

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The other lamps won't be affected if one lamp is ... more

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The brightness of other lamps remains unchanged if... more

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The nucleus is positively charged and the ... more

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 Charge of all electrons is the same. ; All ... more

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Mass of the proton is 1836 times the mass of the ... more

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Number of electrons and protons are the same in ... more

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Object acquire positive charge when the electrons ... more

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It refers to the law of conservation of charge ... more

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One Coulomb charge is equal to the charge on ... more

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Newton's law of gravitation and Coulomb's law are ... more

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Electric force decreased by 4 times;Electric force... more

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Electrically polarized objects are neutral but ... more

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Gravitational field and Electric field. ; Force ... more

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The tangent at any point on the electric field ... more

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; The ratio of the electric potential energy and ... more

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No. It depends on the charge on the balloon. ; ... more

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There must be potential difference for a sustained... more

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  ; It is given that of charge passes through the... more

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Charge flows through a circuit and voltage is ... more

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Direct currents are unidirectional and alternating... more

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A battery produces dc current, while the generator... more

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In comparison to the thick wire, thin wire has ... more

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The S.I. unit of electrical resistance is Ohms... more

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Current is doubled when voltage is doubled;Current... more

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Dry skin has more resistance as compared to wet ... more

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The function of the third prong in electrical plug... more

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Potential difference between the body part and ... more

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1 ACurrent in a series circuit flows in a single ... more

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; In a closed electrical circuit , the applied ... more

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The current gets divided in parallel connection, ... more

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Parallel circuit offers more paths to the flow of ... more

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; The electric power can be obtained by ... more

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Letter to my uncle. ; Date: 7th July 2021, Dear ... more

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After scuffing his/her feet the person acquires ... more

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Yes, the stream of water deflected. ; This is ... more

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The force between the charges is  ; According to ... more

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Hence, the value of the current is 8 A. ;  Voltage... more

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Put V=6 V and R= 1000Therefore, Current through ... more

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0.5 A ; Substitute the values of voltage V= 120 V ... more

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Substitute the values of voltage and current in ... more

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1200 W ; It is known that the power is the product... more

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1 kg ; Charges are of equal magnitude, i.e.,  ... more

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5 NUsing the fact that, when the charges and are... more

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Magnitude of charge is ; The separation between ... more

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field is required. ; Charge on droplet D, Force ... more

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Put V= 12 V and q= 4 C. Then the work done is ... more

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; The work done is given by . The magnitude of ... more

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  ; Electric potential energy U is the energy ... more

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 If the current driven is I by the voltage V then ... more

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; For branches the total current is given by . ... more

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; According to ohm's law, the voltage across a ... more

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Current is Resistance is   ; The power of the hair... more

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Put in then the power is obtained as,Hence ... more

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; The current across a circuit is defined as the ... more

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Put V=120 V and P=1320 W in to calculate the ... more

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; The rating of the b is given by . There are 2 h... more

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; The power of the porch light is P, which is 25 ... more

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; The P of the L is . The time it runs is given ... more

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Put V=120 V, I=8.4 A and t= 60 s in then the heat... more

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Charge flown is ; The current drawn by the dryer  ... more

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Bulb is designed for a 120 V circuit. ; The power ... more

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Current decreases by Power decreases by   ; The ... more

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When the two spheres of the same size with ... more

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All three bulbs glow with equal brightness. ; ... more

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Ammeters reading in all cases are the same. ; ... more

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Since three bulbs are connected to the same ... more

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The applied voltage will completely develop across... more

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Current is highest in the lower branch then in the... more

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An atom is electrically charged if the atom gains ... more

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Protons are strongly bound inside the nucleus by ... more

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The object with a vast number of electrons also ... more

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Positively charged. ; Due to the friction between ... more

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When the clothes get rubbed together, they become ... more

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When a charged body is rubbed against the object B... more

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 The intensity of cosmic rays at higher altitude ... more

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Coulomb's law remains the same if the nature of ... more

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Doubling the distance between the charged ... more

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Doubling the magnitude of one of the charges will ... more

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Doubling the magnitude of both the charges in a ... more

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Due to friction electrons get transferred from ... more

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Due to friction electrons get transferred from ... more

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When the car to be painted is given the electric ... more

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Due to electric polarization the bits of threads ... more

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The electric field strength at 2 m from the point ... more

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Because of the voltage difference across the two ... more

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If the parallel wire spacing is of the order of ... more

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Garden hoseThe flow of water in water pipes is ... more

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For sustained flow of water, hydraulic pumps are ... more

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Potential difference and voltage are quite similar... more

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As electrons are involved in both conduction of ... more

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Electric field ; The electric signal travels with ... more

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Electric charge ; To operate the electrical ... more

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Alternating current in case of electrical devices ... more

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High resistance material acts as an insulator ... more

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A lamp filament carrying current has more ... more

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Rest of the energy is dissipated in the form of ... more

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In both the cases, the current remains unchanged ... more

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Because of the same potential across the legs, the... more

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As the potential difference is created when the ... more

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The electrical appliances are said to be grounded ... more

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When the current flows from one hand to the other ... more

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6 liter per minute. ; The water flowing through ... more

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6 A ; Since the total current that is entering the... more

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Parallel. The intensities of the headlights of a ... more

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Resistance is decreased as more current is allowed... more

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In a series connection, the voltage from the ... more

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When a appliance is connected to a circuit, ... more

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Increases ; The brightness of the bulb is the ... more

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The heat lost in the case of LED bulbs are almost ... more

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No, the energy of the car battery does not come ... more

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The resistance of high beam filament is less. ; ... more

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The values of proportionality constants k and G ... more

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Agree.  ; The dome of the generator is positively ... more

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The concept taught is wrong as ampere and volt ... more

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The 3rd circuit from left  ; In the third ... more

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The circuit shown is a short circuited one and ... more

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No.No.The wire is always neutral, so the amount of... more

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The appliance does not use up the electricity. The... more

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More current ; Thick filament has large cross ... more

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Current is more in the light bulb connected with ... more

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No ; The electrons in a conductor generally move ... more

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Two resistors in a parallel connection have their ... more

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No. ; A battery acts as a constant voltage source... more

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Because of the availability of more paths in ... more

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Remains constant ; Closing the switch does not ... more

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Bulb and glows with equal brightness and has ... more

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Decreases.Brightness remains the same. ; ... more

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The total brightness of the bulbs connected in ... more

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Yes. The voltage across any bulb is the same so ... more

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Because there are more paths available for the ... more

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In a series connection, the voltage drop across ... more

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Charge can be positive, negative, or neutral, ... more

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The force between the two charges is inversely ... more

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The electric field surrounds both electrons and ... more

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The electric potential and the electric potential ... more

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The voltage is always impressed across the circuit... more

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According to the Ohm's law, the voltage is ... more

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The power can be obtained by multiplying the ... more

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As there is only one lamp in the circuit, the ... more

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In the case of parallel connection, the voltage ... more

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Let the power rating of the lamp be . The lamp is ... more

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