Current Electricity With rise in temperature the resistance of pure metals Decreases Remains constant Increases First increases and then decreases Decreases Remains constant Increases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All of the following are equivalent to watt except (Amperes) ohm Amperes × volts Joules/sec. Amperes/volt (Amperes) ohm Amperes × volts Joules/sec. Amperes/volt ANSWER DOWNLOAD EXAMIANS APP
Current Electricity At 0 K, germanium behaves as A conductor A superconductor An insulator A ferromagnetic substance A conductor A superconductor An insulator A ferromagnetic substance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Circuits with low current densities Vaccum tubes High voltage circuits Carbon resistors Circuits with low current densities Vaccum tubes High voltage circuits Carbon resistors 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 132 V 66 V 33 V 80 V 132 V 66 V 33 V 80 V 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 150 V 50 V 100 V 200 V 150 V 50 V ANSWER DOWNLOAD EXAMIANS APP
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