Current Electricity When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will Remain constant Increase None of these Decrease Remain constant Increase None of these Decrease ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire has a resistance of 10 Ω. It is stretched by one-tenth of its original length. Then its resistance will be 9 Ω 11 Ω 10 Ω 12.1 Ω 9 Ω 11 Ω 10 Ω 12.1 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. None of the listed here Increases Remains unchanged Decreases None of the listed here Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One commercial unit of energy equals One kilowatt-hour One watt-hour One watt-hour Ten kilowatt-hour One kilowatt-hour One watt-hour One watt-hour Ten kilowatt-hour 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? 50 V 100 V 200 V 150 V 50 V 100 V 200 V 150 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity International ohm is defined in terms of the resistance of The unit length of wire A cube of copper A cube of carbon A column of mercury The unit length of wire A cube of copper A cube of carbon A column of mercury ANSWER DOWNLOAD EXAMIANS APP
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