Electric Circuits Which of the following has positive temperature coefficient ? Gold. Germanium. Rubber. Paper. Gold. Germanium. Rubber. Paper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Whenever current is supplied by a source its terminal voltage remains constant. increases. decreases. increases exponentially. remains constant. increases. decreases. increases exponentially. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current of 1 mA flows through a 1M ohm, 2 W carbon resistor. The power dissipated as heat in the resistor will be 0.5 W. None of these 2 W. 1 W. 0.5 W. None of these 2 W. 1 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Conductance of any conductor is expressed as watt / ampere2. mho. ampere / watt. volt2 / watt. watt / ampere2. mho. ampere / watt. volt2 / watt. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Pure metal generally have low conductivity and zero temperature coefficient. low conductivity and high temperature coefficient. high conductivity and low temperature coefficient. high conductivity and large temperature coefficient. low conductivity and zero temperature coefficient. low conductivity and high temperature coefficient. high conductivity and low temperature coefficient. high conductivity and large temperature coefficient. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is referred as the average value in AC opearation? Average of all values of the (+)ve and (-)ve half. Average of all values of an alternating quantity. Average of all values of an alternating quantity over a complete cycle. Average of all values of the phase sequences. Average of all values of the (+)ve and (-)ve half. Average of all values of an alternating quantity. Average of all values of an alternating quantity over a complete cycle. Average of all values of the phase sequences. ANSWER DOWNLOAD EXAMIANS APP