Current Electricity For testing appliances, the wattage of test lamp should be Low Any value Very low High Low Any value Very low High ANSWER DOWNLOAD EXAMIANS APP
Current Electricity At 0 K, germanium behaves as A superconductor A ferromagnetic substance A conductor An insulator A superconductor A ferromagnetic substance A conductor An insulator ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is 0.5 0.6 1.5 1 0.5 0.6 1.5 1 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a tungsten lamp _____ as applied voltage increases. Remains same None of the listed here Increases Decreases Remains same None of the listed here Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Constantan Copper Silver Carbon Constantan Copper Silver Carbon 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? 50 V 100 V 200 V 150 V 50 V 100 V 200 V 150 V ANSWER DOWNLOAD EXAMIANS APP
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