Current Electricity A thermistor has Zero temperature coefficient Variable temperature coefficient Negative temperature coefficient Positive temperature coefficient Zero temperature coefficient Variable temperature coefficient Negative temperature coefficient Positive temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If an electric current is passed through a nerve, the man Begins to laugh Is excited Begins to weep Becomes insensitive to pain Begins to laugh Is excited Begins to weep Becomes insensitive to pain ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One commercial unit of energy equals Ten kilowatt-hour One watt-hour One kilowatt-hour One watt-hour Ten kilowatt-hour One watt-hour One kilowatt-hour One watt-hour ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Carbon Copper Porcelain Manganin Carbon Copper Porcelain Manganin ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are used As current stabilizers To suppress surges For inductive circuits As heating elements As current stabilizers To suppress surges For inductive circuits As heating elements ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals First increases and then decreases Increases Remains constant Decreases First increases and then decreases Increases Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP