Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.3% 0.4% 0.2% None of the listed here 0.3% 0.4% 0.2% None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity E. M. F. In a circuit Maintains potential difference Increases circuit resistance Decrease circuit resistance None of the listed here Maintains potential difference Increases circuit resistance Decrease circuit resistance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ampere-hour is the unit of Energy Power Quantity of electricity Strength of current Energy Power Quantity of electricity Strength of current ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The SI unit of power is Watt-hour Watt Coulomb Henry Watt-hour Watt Coulomb Henry ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals First increases and then decreases Remains constant Increases Decreases First increases and then decreases Remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be Any value High Low Very low Any value High Low Very low ANSWER DOWNLOAD EXAMIANS APP