Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually None of the listed here A semiconductor An insulator A conductor None of the listed here A semiconductor An insulator A conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity It becomes more difficult to remove Any electron from the orbit Second electron from the orbit First electron from the orbit Third electron from the orbit Any electron from the orbit Second electron from the orbit First electron from the orbit Third electron from the orbit ANSWER DOWNLOAD EXAMIANS APP
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 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 6 kWh 2 kWh 5 kWh 3.2 kWh 6 kWh 2 kWh 5 kWh 3.2 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot wire of electric bulb's filament is higher than its cold resistance because the temperature co-efficient of filament is Zero None of the listed here Positive Negative Zero None of the listed here Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All good conductors have high Thermal conductivity Reluctance Conductance Resistance Thermal conductivity Reluctance Conductance Resistance ANSWER DOWNLOAD EXAMIANS APP
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