Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Practically zero Very high High Low Practically zero Very high High Low 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 Increase None of these Decrease Remain constant Increase None of these Decrease Remain constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Remains constant Decreases First increases and then decreases Increases Remains constant Decreases First increases and then decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity At 0 K, germanium behaves as A ferromagnetic substance An insulator A superconductor A conductor A ferromagnetic substance An insulator A superconductor A conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The filament of electrical bulb is made of Tungsten Aluminium Steel Nickel Tungsten Aluminium Steel Nickel 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 Positive Negative Zero None of the listed here Positive Negative Zero ANSWER DOWNLOAD EXAMIANS APP
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