Electric Circuits The coils having self inductor of 10 mH and 15 mH have an effective inductor of 40 mH, when connected in series aiding. What will be the equivalent inductor if we connect them in series opposing 0 mH. 10 mH. 20 mH. 5 mH. 0 mH. 10 mH. 20 mH. 5 mH. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance. zero, zero zero, infinite infinite, infinite infinite, zero zero, zero zero, infinite infinite, infinite infinite, zero ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Total instantaneous power supplied by a 3 - φ AC supply to a balanced RL load is pulsating with zero average. constant. pulsating with non zero average. zero. pulsating with zero average. constant. pulsating with non zero average. zero. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of 100 W, 200 V lamp is 400 Ω. 200 Ω. 1600 Ω. 800 Ω. 400 Ω. 200 Ω. 1600 Ω. 800 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The arrangement of 12 cells each of internal resistance 1.5 Ohm to give maximum current in external load resistance of 2 Ohm will be all 12 in series. in 4 parallel rows each row having 3 cells in series. in 3 parallel rows each row having 4 cells in series. all 12 in parallel. all 12 in series. in 4 parallel rows each row having 3 cells in series. in 3 parallel rows each row having 4 cells in series. all 12 in parallel. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 10 μF capacitor and 100 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow brightest? 100 Hz. 1 Hz. 1000 Hz. 10 Hz. 100 Hz. 1 Hz. 1000 Hz. 10 Hz. ANSWER DOWNLOAD EXAMIANS APP
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