Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 150 V 100 V 200 V 50 V 150 V 100 V 200 V 50 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Nichrome wire is an alloy of Lead and zinc Copper and silver Nickel and chromium Chromium and vanadium Lead and zinc Copper and silver Nickel and chromium Chromium and vanadium ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot wire of electric bulb's filament is higher than its cold resistance because the temperature co-efficient of filament is None of the listed here Zero Positive Negative None of the listed here Zero Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One commercial unit of energy equals Ten kilowatt-hour One watt-hour One kilowatt-hour One watt-hour Ten kilowatt-hour One watt-hour One kilowatt-hour One watt-hour ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Sparking occurs when a load is switched off because the circuit has high Inductance Resistance Impedance Capacitance Inductance Resistance Impedance Capacitance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a carbon filament lamp _______ as the applied voltage increases. Remains same None of the listed here Decreases Increases Remains same None of the listed here Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
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