Current Electricity Conductivity is the reciprocal of None of the listed here Resistance Resistivity Current density None of the listed here Resistance Resistivity Current density ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ampere-hour is the unit of Strength of current Quantity of electricity Power Energy Strength of current Quantity of electricity Power Energy ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is Positive About 2 ohms per degree Negative Zero Positive About 2 ohms per degree Negative Zero 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 has no effect on heating if water Length of heating element should be decreased None of these Length of heating element should be increased Length of heating element has no effect on heating if water Length of heating element should be decreased None of these Length of heating element should be increased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 5 : 2 2 : 5 25 : 4 4 : 25 5 : 2 2 : 5 25 : 4 4 : 25 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a conductor varies inversely as Resistivity Temperature Length Are of cross-section Resistivity Temperature Length Are of cross-section ANSWER DOWNLOAD EXAMIANS APP