Current Electricity Nichrome wire is an alloy of Copper and silver Lead and zinc Chromium and vanadium Nickel and chromium Copper and silver Lead and zinc Chromium and vanadium Nickel and chromium 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? 200 V 100 V 50 V 150 V 200 V 100 V 50 V 150 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Inductors Insulators Conductors Semi-conductors Inductors Insulators Conductors Semi-conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a tungsten lamp _____ as applied voltage increases. None of the listed here Decreases Remains same Increases None of the listed here Decreases Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Sparking occurs when a load is switched off because the circuit has high Inductance Impedance Resistance Capacitance Inductance Impedance Resistance Capacitance ANSWER DOWNLOAD EXAMIANS APP
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 Decrease Increase None of these Remain constant Decrease Increase None of these Remain constant ANSWER DOWNLOAD EXAMIANS APP
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