Current Electricity E. M. F. In a circuit Increases circuit resistance None of the listed here Maintains potential difference Decrease circuit resistance Increases circuit resistance None of the listed here Maintains potential difference Decrease circuit resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually A semiconductor An insulator None of the listed here A conductor A semiconductor An insulator None of the listed here A conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electrical current is due to the flow of Negative charges only Neutral particles only Positive charges only Both positive and negative charges Negative charges only Neutral particles only Positive charges only Both positive and negative charges ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One commercial unit of energy equals One watt-hour One watt-hour One kilowatt-hour Ten kilowatt-hour One watt-hour One watt-hour One kilowatt-hour Ten kilowatt-hour ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The electrical energy required to heat a bucket of water to a certain temperature is 4 kWh. If the heat losses are 20 percent, the energy input is 3.2 kWh 5 kWh 2 kWh 6 kWh 3.2 kWh 5 kWh 2 kWh 6 kWh ANSWER DOWNLOAD EXAMIANS APP