Current Electricity Two resistances Rl and Ri are connected in series across the voltage source where Rl > Ri. The largest drop will be across None of them Ri Either Rl or Ri Rl None of them Ri Either Rl or Ri Rl ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Lead Copper Zinc Mercury Lead Copper Zinc Mercury ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open 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 The other two bulbs will light Rest of the two bulbs will not light There will be heavy current in the main line ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be Low Very low Any value High Low Very low Any value High ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Has lower wattage rating Has higher wattage rating Has large number of turns Offers large number of tapping Has lower wattage rating Has higher wattage rating Has large number of turns Offers large number of tapping ANSWER DOWNLOAD EXAMIANS APP