Electric Circuits Which of the followings is/are active element? Current source None of these. Voltage source Both Current source None of these. Voltage source Both ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor having a capacitance of 40 μF is connected across 250 V DC source. The charging current will be least initially. when capacitor is almost 25% charged. when capacitor is half charged. when capacitor is fully charged. initially. when capacitor is almost 25% charged. when capacitor is half charged. when capacitor is fully charged. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC series circuit if the Q factor is 1, then the damping of the system is Critical damping Under damping Over damping Undamping Critical damping Under damping Over damping Undamping ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitance of a parallel plate capacitor can be varied by All of these changing the distance between the plates only. changing the dielectric medium only. changing the overlapping area of the plates only. All of these changing the distance between the plates only. changing the dielectric medium only. changing the overlapping area of the plates only. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a series resonant circuit impedance is zero. maximum. none of these. minimum. zero. maximum. none of these. minimum. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The time required for a pulse to change from 10 % to 90 % of its maximum value is known as fall time. rise time. decay time. run time. fall time. rise time. decay time. run time. ANSWER DOWNLOAD EXAMIANS APP