Chapter 12 Electricity – Page 3 – HI MCQ!

The least resistance obtained by using 2 ohm, 4 ohm, 1 ohm and 100 ohm is?

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The values of mA and microA are?

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The resistance of a resistor is reduced to half of its initial value. In doing so, if other parameters of the circuit remain unchanged, the heating effects in the resistor will become?

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Three resistors of 1 ohm, 2 ft and 3 ohm are connected in parallel. The combined resistance of the three resistors should be?

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If the current I through a resistor is increased by 100 % (assume that temperature remains unchanged), the increase in power dissipated will be?

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A boy records that 4000 joule of work is required to transfer 10 coulomb of charge between two points of a resistor of 50 ohm. The current passing through it is?

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Electric potential is a?

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If the resistance of a certain copper wire is 1 ohm, then the resistance of a similar nichrome wire will be about?

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The resistivity of insulators is of the order of?

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To get 2 ohm resistance using only 6 ohm resistors, the number of them required is?

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