Electric Circuits The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor? 1. 0.866. 0.577. 0.5. 1. 0.866. 0.577. 0.5. ANSWER DOWNLOAD EXAMIANS APP
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 0.4. 10. 1. 0.85. 0.4. 10. 1. 0.85. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is apparent power in AC operation? Product of voltage and current at full load. Product of voltage and current. Product of voltage and current at no load. Product of rms voltage and rms current. Product of voltage and current at full load. Product of voltage and current. Product of voltage and current at no load. Product of rms voltage and rms current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Select the wave that has the least value of form factor. Square wave. Triangular wave. Sine wave. Rectangular wave. Square wave. Triangular wave. Sine wave. Rectangular wave. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Instantaneous power in inductor is proportional to the temperature of the inductor. square of instantaneous current. product of the instantaneous current and rate of change of current. square of the rate of change of current. temperature of the inductor. square of instantaneous current. product of the instantaneous current and rate of change of current. square of the rate of change of current. 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 50.8 V. 24.4 V . 40.8 V. 30.6 V. 50.8 V. 24.4 V . 40.8 V. 30.6 V. ANSWER DOWNLOAD EXAMIANS APP
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