Electric Circuits A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance? 1.765 Ω. 135.86 Ω. 0.015 Ω. 63.7 Ω. 1.765 Ω. 135.86 Ω. 0.015 Ω. 63.7 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three element having conductance G1, G2 and G3 are connected in parallel. Their combined conductance will be 1 / G1 + 1 / G2 + 1 / G3. (1 / G1 + 1 / G2 + 1 / G3) - 1. (G1 + G2 + G3) - 1. G1 + G2 + G3. 1 / G1 + 1 / G2 + 1 / G3. (1 / G1 + 1 / G2 + 1 / G3) - 1. (G1 + G2 + G3) - 1. G1 + G2 + G3. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A motor having a power factor of 0.8 absorbs in active power of 1200 W the reactive power drawn from the supply is _________ VA. 130 250 400 900 130 250 400 900 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A voltage source having an open circuit voltage of 100 V and internal resistance of 50 Ω is equivalent to a current source 2 A with 50 Ω in series. 0.5 A in parallel with 50 Ω. none of these. 2 A with 50 Ω in parallel. 2 A with 50 Ω in series. 0.5 A in parallel with 50 Ω. none of these. 2 A with 50 Ω in parallel. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The delta equation of given star connected impedance ZQR is equal to 40 Ω. (5 + j10 / 3) Ω. (20 + j10) Ω. (10 + j30) Ω. 40 Ω. (5 + j10 / 3) Ω. (20 + j10) Ω. (10 + j30) Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor has a capacitance of C farad. It area of the plates is doubled and the distance between them is half, the capacitance of the capacitor is 16C Farad. 2C Farad. C Farad. 4C Farad. 16C Farad. 2C Farad. C Farad. 4C Farad. ANSWER DOWNLOAD EXAMIANS APP
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