Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 100 V 150 V 50 V 200 V 100 V 150 V 50 V 200 V 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 Zero None of the listed here Negative Positive Zero None of the listed here Negative Positive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The example of non-ohmic resistance is Carbon resistance Aluminium wire tungsten wire Copper wire Carbon resistance Aluminium wire tungsten wire Copper wire ANSWER DOWNLOAD EXAMIANS APP
Current Electricity No current flow between two charged bodies if they have same Capacity Charge Potential None of the listed here Capacity Charge Potential None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. None of the listed here Increases Decreases Remains unchanged None of the listed here Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a conductor varies inversely as Temperature Are of cross-section Resistivity Length Temperature Are of cross-section Resistivity Length ANSWER DOWNLOAD EXAMIANS APP
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