Electric Circuits For the circuit shown below the value of R is adjusted so as to make the current in RL equal to zero. Calculate the value of R. 4 Ω. 1 Ω. 2 Ω. 3 Ω. 4 Ω. 1 Ω. 2 Ω. 3 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor passes a current of 12.6 mA when supplied with 20 V ac with a frequency of 1000 Hz. The capacitance will be 0.1 μF. 0.01 μF. 0.001 μF. 1 μF. 0.1 μF. 0.01 μF. 0.001 μF. 1 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When AC flows through a pure capacitance then the current lags the emf by 90o. leads the emf by 90o. leads the emf by - 90o. is in phase with emf. lags the emf by 90o. leads the emf by 90o. leads the emf by - 90o. is in phase with emf. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across R is 24.4 V . 40.8 V. 30.6 V. 50.8 V. 24.4 V . 40.8 V. 30.6 V. 50.8 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For balanced star load, if unbalanced line current are IR, IY, IB equal to - j10, - j10 and - j20 respectively, the neutral current will be equal to (8.66 + j5) A. (-9.66 + j5) A. (-8.66 - j5) A. (8.66 - j5) A. (8.66 + j5) A. (-9.66 + j5) A. (-8.66 - j5) A. (8.66 - j5) A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which of the circuits power factor can be zero? inductive. resistive. capacitive. both ‘a’ and ‘b’ inductive. resistive. capacitive. both ‘a’ and ‘b’ ANSWER DOWNLOAD EXAMIANS APP
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