Current Electricity In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains Length of heating element should be decreased Length of heating element has no effect on heating if water Length of heating element should be increased None of these Length of heating element should be decreased Length of heating element has no effect on heating if water Length of heating element should be increased None of these 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 1 0.5 0.6 1.5 1 0.5 0.6 1.5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity SI unit of power is Henry Watt Coulomb Watt-hour Henry Watt Coulomb Watt-hour ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In the case of direct current Magnitude of current changes with time Magnitude and direction of current changes with time Magnitude and direction of current remains constant Magnitude of current remains constant Magnitude of current changes with time Magnitude and direction of current changes with time Magnitude and direction of current remains constant Magnitude of current remains constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Area of cross-section Resistivity Length Temperature Area of cross-section Resistivity Length Temperature ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductance is reciprocal of Reluctance Inductance Capacitance Resistance Reluctance Inductance Capacitance Resistance ANSWER DOWNLOAD EXAMIANS APP
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