Current Electricity Conductivity is the reciprocal of Resistivity Resistance None of the listed here Current density Resistivity Resistance None of the listed here Current density ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The current in the circuit having constant resistance is tripled. The power increases 3 times 1/3 times 9 times 1/9 times 3 times 1/3 times 9 times 1/9 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Semiconductors Variable resistors Varistors Thermistor Semiconductors Variable resistors Varistors Thermistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Copper Carbon Porcelain Manganin Copper Carbon Porcelain Manganin ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Wattmeter Galvanometer Voltmeter Rheostat Wattmeter Galvanometer Voltmeter Rheostat ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will Increase Remain constant None of these Decrease Increase Remain constant None of these Decrease ANSWER DOWNLOAD EXAMIANS APP