Electric Circuits What is called the instantaneous value of an alternating current? The value of alternating frequency at any instant. The value of peak current at any instant. The value of peak quantity at any instant. The value of alternating quantity at any instant. The value of alternating frequency at any instant. The value of peak current at any instant. The value of peak quantity at any instant. The value of alternating quantity at any instant. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitance of a parallel plate capacitor can be varied by changing the distance between the plates only. changing the overlapping area of the plates only. All of these changing the dielectric medium only. changing the distance between the plates only. changing the overlapping area of the plates only. All of these changing the dielectric medium only. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When power factor angle is constant, then shape of the current locus is straight line. circle. semi circle. triangle. straight line. circle. semi circle. triangle. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The terminals across the source are ___________ if a voltage source is to be neglected. replaced by a series resistance. short circuited. replaced by a shunt resistance. open circuited. replaced by a series resistance. short circuited. replaced by a shunt resistance. open circuited. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The phase angle of current in respect of supply voltage will be 32.1o. 20.2o. 28.8o. 40.4o. 32.1o. 20.2o. 28.8o. 40.4o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC parallel circuit current through resistor, inductor and capacitor are 10A, 5A and 5A respectively. What is the total current in the circuit? 0A 20A 5A 10A 0A 20A 5A 10A ANSWER DOWNLOAD EXAMIANS APP