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91
How much work is done in moving a charge of 4C across two points having potential difference 10 V?
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Answer: Option C
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92
The metal cap of an electric cell is generally the . . . . . . . . terminal of the electrical cell.
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Answer: Option B
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93
Which law of physics states that the force between the two electric charges reduces to a quarter of its former value when the distance between them is doubled?
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Answer: Option A
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94
What is the power rating (in W) of a bulb if a current of 0.3 A passes through an application of 240 V of potential difference across its terminals?
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Answer: Option D
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95
A parallel plate capacitor, with air in between the plates, has capacitance C. Now, the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then, the value of the capacitance will become
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Answer: Option C
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96
If a current of 1.5 amperes remains in a resistance of 10Ω, then what will be the amount of energy expelled in 1 minute?
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Answer: Option D
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97
Which of the following has the lowest electrical resistivity?
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Answer: Option C
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98
Conduction in liquids occurs, when-
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Answer: Option C
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99
A fuse is a
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Answer: Option D
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100
The connecting cable of electrical appliances like electric iron, water heater or room heater contains three insulated copper wires of three different colours- Red, Green and Black. Which one of the following is the correct colour code?
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Answer: Option C
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