Current Electricity In the case of direct current Magnitude and direction of current changes with time Magnitude and direction of current remains constant Magnitude of current remains constant Magnitude of current changes with time Magnitude and direction of current changes with time Magnitude and direction of current remains constant Magnitude of current remains constant Magnitude of current changes with time ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open The other two bulbs will light Rest of the two bulbs will not light There will be heavy current in the main line All three bulbs will light The other two bulbs will light Rest of the two bulbs will not light There will be heavy current in the main line All three bulbs will light ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be High Low Very low Any value High Low Very low Any value ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Mercury Copper Lead Zinc Mercury Copper Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two resistances Rl and Ri are connected in series across the voltage source where Rl > Ri. The largest drop will be across Rl Ri None of them Either Rl or Ri Rl Ri None of them Either Rl or Ri ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The example of non-ohmic resistance is Carbon resistance Copper wire Aluminium wire tungsten wire Carbon resistance Copper wire Aluminium wire tungsten wire ANSWER DOWNLOAD EXAMIANS APP
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