Current Electricity A thermistor has Positive temperature coefficient Zero temperature coefficient Negative temperature coefficient Variable temperature coefficient Positive temperature coefficient Zero temperature coefficient Negative temperature coefficient Variable temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity E. M. F. In a circuit Maintains potential difference None of the listed here Decrease circuit resistance Increases circuit resistance Maintains potential difference None of the listed here Decrease circuit resistance Increases circuit resistance 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 0.6 0.5 1.5 1 0.6 0.5 1.5 1 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Has lower wattage rating Has large number of turns Has higher wattage rating Offers large number of tapping Has lower wattage rating Has large number of turns Has higher wattage rating Offers large number of tapping ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One Newton meter is same as One joule Five joules One joule second One watt One joule Five joules One joule second One watt 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 2 kWh 6 kWh 5 kWh 3.2 kWh 2 kWh 6 kWh 5 kWh ANSWER DOWNLOAD EXAMIANS APP
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