Current Electricity – Page 5 – HI MCQ!

With three resistances connected in I parallel, if each dissipates ,20 W the total power supplied by the voltage source equals?

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Electric pressure is also called?

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Which of the following quantities remain the same in all parts of a series circuit?

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A nichrome wire used as a heater coil has the resistance of 2?/m. For a heater of 1 kW at 200 V, the length of wire required will be?

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Ohm’s law is not applicable to?

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All good conductors have high?

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When electric current passes through a metallic conductor, its temperature rises. This is due to?

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In a lamp load when more than one lamp are switched on the total resistance of the load?

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Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current?

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When electric current passes through a bucket full of water, lot of bubbling is observed. This suggests that the type of supply is?

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