Electric Circuits The average value of half wave rectified sinusoidal current waveform, whose maximum value is 1A is 0.318 A. 0.637 A. 0.5 A. 1 A. 0.318 A. 0.637 A. 0.5 A. 1 A. 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 rise time. run time. fall time. decay time. rise time. run time. fall time. decay time. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Time constant of RL series circuit is L/R 2L/R RC 2RC L/R 2L/R RC 2RC ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced delta connected load has an impedance of 9∠30o Ω per phase. What is the impedance per phase of its equivalent star? 27∠30o Ω 30∠30o Ω. 3∠30o Ω. None of these 27∠30o Ω 30∠30o Ω. 3∠30o Ω. None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor is connected to supply with switch and the switch is connected between capacitor and supply. Initially switch is open at time zero, and then switch is closed. Then how capacitor behaves at time t = 0+? short circuit. open circuit. dielectric losses decreases. dielectric losses increases. short circuit. open circuit. dielectric losses decreases. dielectric losses increases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An electric field line and an equipotential surface are none of above. always perpendicular. inclined at any angle. always parallel. none of above. always perpendicular. inclined at any angle. always parallel. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS