Current Electricity SI unit of power is Watt-hour Watt Coulomb Henry Watt-hour Watt Coulomb Henry ANSWER DOWNLOAD EXAMIANS APP
Current Electricity E. M. F. In a circuit Maintains potential difference Decrease circuit resistance Increases circuit resistance None of the listed here Maintains potential difference Decrease circuit resistance Increases circuit resistance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The current in the circuit having constant resistance is tripled. The power increases 3 times 1/9 times 9 times 1/3 times 3 times 1/9 times 9 times 1/3 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a copper wire 200 m long is 21 ω. If its thickness (diameter) is 0.44 mm, its specific resistance is around 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.4 x 10-8 ω-m 1.6 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
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 should be increased None of these Length of heating element has no effect on heating if water Length of heating element should be decreased Length of heating element should be increased None of these Length of heating element has no effect on heating if water ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a conductor varies inversely as Length Resistivity Are of cross-section Temperature Length Resistivity Are of cross-section Temperature ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS