91. How much work is done in moving a charge of 4C across two points having potential difference 10 V?
92. The metal cap of an electric cell is generally the . . . . . . . . terminal of the electrical cell.
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?
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?
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
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?
97. Which of the following has the lowest electrical resistivity?
98. Conduction in liquids occurs, when-
99. A fuse is a
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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