Electric Circuits Instantaneous power in inductor is proportional to the square of instantaneous current. square of the rate of change of current. temperature of the inductor. product of the instantaneous current and rate of change of current. square of instantaneous current. square of the rate of change of current. temperature of the inductor. product of the instantaneous current and rate of change of current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A motor having a power factor of 0.8 absorbs in active power of 1200 W the reactive power drawn from the supply is _________ VA. 130 900 400 250 130 900 400 250 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of copper decreases and germanium increases. each of them decreases. each of them increases. copper increases and germanium decreases. copper decreases and germanium increases. each of them decreases. each of them increases. copper increases and germanium decreases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacity of a cell is measured in watts. watt-hours. ampere-hour. amperes. watts. watt-hours. ampere-hour. amperes. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitance of a parallel plate capacitor can be varied by All of these changing the overlapping area of the plates only. changing the dielectric medium only. changing the distance between the plates only. All of these changing the overlapping area of the plates only. changing the dielectric medium only. changing the distance between the plates only. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the circuit shown in the given figure the current I is given by 4 A. 3 A. 1 A. 2 A. 4 A. 3 A. 1 A. 2 A. ANSWER DOWNLOAD EXAMIANS APP