A current of 10A passes through a conductor for 10s, calculate the charge flowing through the conductor.
A. 100.0C B. 10.0C C. 1.0C D. 0.1C Correct Answer: Option A A. 100.0C Explanation Q = it = 10 x 10 = 100CWhich of the following factors does not affect the electric resistance of a wire?
A. length B. mass C. temperature D. cross-sectional area Correct Answer: Option B B. massTwo identical cells each of e.m.f 2v and internal resistance 1.0Ω are connected in parallel. The combination is connected to an external load of 1.5Ω. Calculate the current in the circuit
A. 0.57A B. 1.00A C. 1.14A D. 2.00A Correct Answer: Option B B. 1.00A Explanation I = E/(R+r)=2/(1.5+0.5) = 1AA positively charged glass rod is placed near the cap of a positive charged electroscope. The divergence of the leaf is observed to
A. decrease B. increase C. remain the same D. increase and collapse immediately Correct Answer: Option B B. increaseProducts
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