Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Varistors Thermistor Semiconductors Variable resistors Varistors Thermistor Semiconductors Variable resistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity It becomes more difficult to remove Third electron from the orbit Second electron from the orbit First electron from the orbit Any electron from the orbit Third electron from the orbit Second electron from the orbit First electron from the orbit Any electron from the orbit ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Rheostat Galvanometer Wattmeter Voltmeter Rheostat Galvanometer Wattmeter Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Carbon Silver Copper Constantan Carbon Silver Copper Constantan ANSWER DOWNLOAD EXAMIANS APP
Current Electricity E. M. F. In a circuit Decrease circuit resistance None of the listed here Increases circuit resistance Maintains potential difference Decrease circuit resistance None of the listed here Increases circuit resistance Maintains potential difference ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Area of cross-section Length Temperature Resistivity Area of cross-section Length Temperature Resistivity ANSWER DOWNLOAD EXAMIANS APP
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