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Physics - Current Electricity Questions and Answer >>

1 2 3 4 5  Next >>  Page 1 of 10 pages (50 Objective Questions)

1. When a piece of aluminium wire finite length is drawn through a series of dies to reduce its diameter to half its original value, its resistance will become


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2. What is the current (i) in the circuit as shown in figure .


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3. By increasing the temperature, the specific resistance of a conductor and semiconductor


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4. If six identical cells each having an emf of 6 V are connected in parallel, the emf of the combination is


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5. Three resistances R, 2Rand 3R are connected in parallel to a battery. Then


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