Current Electricity All good conductors have high Conductance Resistance Reluctance Thermal conductivity Conductance Resistance Reluctance Thermal conductivity 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 2 kWh 3.2 kWh 5 kWh 6 kWh 2 kWh 3.2 kWh 5 kWh 6 kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Zero temperature coefficient Variable temperature coefficient Positive temperature coefficient Negative temperature coefficient Zero temperature coefficient Variable temperature coefficient Positive temperature coefficient Negative temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Porcelain Copper Manganin Carbon Porcelain Copper Manganin Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following is the best material for making connecting wires? Nichrome Constant Copper Manganin Nichrome Constant Copper Manganin ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Conductors Inductors Insulators Semi-conductors Conductors Inductors Insulators Semi-conductors ANSWER DOWNLOAD EXAMIANS APP