Current Electricity – Page 4 – HI MCQ!

The SI unit of power is?

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The four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true?

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Resistance of a tungsten lamp …… as applied voltage increases?

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Two copper conductors have equal length. The cross-sectional area of one conductor is four times that of the other. If the conductor having smaller cross-sectional area has a resistance of 40 ohms the resistance of other conductor will be?

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If a parallel circuit is opened in the main line, the current?

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Which of the following statement is true both for a series and a parallel D.C. circuit?

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Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be?

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In a circuit a 33? resistor carries a current of 2 A The voltage across the resistor is?

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Resistance of 220 V, 100 W lamp will be?

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The resistance of a conductor varies inversely as?

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