Current Electricity Electrical current is due to the flow of Negative charges only Neutral particles only Positive charges only Both positive and negative charges Negative charges only Neutral particles only Positive charges only Both positive and negative charges ANSWER DOWNLOAD EXAMIANS APP
Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 100 V 200 V 50 V 150 V 100 V 200 V 50 V 150 V 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 None of them Either Rl or Ri Rl Ri None of them Either Rl or Ri Rl Ri ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best material for making connecting wires? Copper Constant Manganin Nichrome Copper Constant Manganin Nichrome ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Has lower wattage rating Has higher wattage rating Offers large number of tapping Has large number of turns Has lower wattage rating Has higher wattage rating Offers large number of tapping Has large number of turns ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a circuit a 33 Q resistor carries a current of 2 A. The voltage across the resistor is 33 V 66 V 132 V 80 V 33 V 66 V 132 V 80 V ANSWER DOWNLOAD EXAMIANS APP
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