Current Electricity At 0 K, germanium behaves as An insulator A superconductor A conductor A ferromagnetic substance An insulator A superconductor A conductor A ferromagnetic substance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Copper Manganin Carbon Porcelain Copper Manganin Carbon Porcelain ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All good conductors have high Thermal conductivity Reluctance Resistance Conductance Thermal conductivity Reluctance Resistance Conductance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When one lag of parallel circuit is opened out the total current will Become zero Increases Decreases None of the listed here Become zero Increases Decreases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will Increases Heater will burn out Decreases Remains same Increases Heater will burn out Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the efficiency of a machine is to be high, what should be low? True component of power Losses Input power kWh consumed True component of power Losses Input power kWh consumed ANSWER DOWNLOAD EXAMIANS APP
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