Electric Circuits What is the real power in AC operation? Both option A and B. None of these. VIcosφ. Apperant power × cosφ. Both option A and B. None of these. VIcosφ. Apperant power × cosφ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three resistances have the following ratings 150 Ω at 5 %, 100 Ω at 5 % and 200 Ω at 5 % respectively. The percentage error when all the three are connected in series will be + 8 %. + 5 %. + 7 %. + 6 %. + 8 %. + 5 %. + 7 %. + 6 %. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is form factor? Average value / R.M.S. value. Instantaneous value / Average value. Average value / Peak value. R.M.S. value / Average value. Average value / R.M.S. value. Instantaneous value / Average value. Average value / Peak value. R.M.S. value / Average value. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of current I flowing in the 1 Ω resistor in the circuit shown in the given figure will be 5 A. 6 A. 10 A. 0 A. 5 A. 6 A. 10 A. 0 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit decrease if frequency of voltage source increases? VR and I. VL and VR. VL and Z. Z and I. VR and I. VL and VR. VL and Z. Z and I. 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? 10 Hz. 1 Hz. 1000 Hz. 100 Hz. 10 Hz. 1 Hz. 1000 Hz. 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
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