Electric Circuits A current of 4 A flows in an ac circuit when 100 V dc is applied to it whereas it takes 250 v ac to produce the same current the power factor of the circuit is 1. 10. 0.85. 0.4. 1. 10. 0.85. 0.4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The delta equation of given star connected impedance ZQR is equal to (20 + j10) Ω. (10 + j30) Ω. (5 + j10 / 3) Ω. 40 Ω. (20 + j10) Ω. (10 + j30) Ω. (5 + j10 / 3) Ω. 40 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The strength of current in 1 H inductor changes at rate of 1 A / sec. Find the voltage across it? 0.5 V. 1 V. 2 V. None of these. 0.5 V. 1 V. 2 V. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The energy stored by a capacitor is given by 1/2 QV. all of them. 1/2 CV2. Q2 / 2C. 1/2 QV. all of them. 1/2 CV2. Q2 / 2C. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits i) In star connection line current is equal to phase current. ii) In delta connection line voltage is equal to phase voltage. For a given phase connected to the particular line which of the statement is true ? Both (1) and (2). Only (2). None of these. Only (1). Both (1) and (2). Only (2). None of these. Only (1). ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The instantaneous values of line current into a delta connected load in any two lines are + 2.5 amps and - 1.25 amps the current in the third line at the instant is ___________ A. 2.5 1 10 - 1.25 2.5 1 10 - 1.25 ANSWER DOWNLOAD EXAMIANS APP
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