Electric Circuits A periodic voltage having the Fourier series V(t)= {1 + 4sinω0t} 11 W. 1 W. 24.5 W. 21 W. 11 W. 1 W. 24.5 W. 21 W. 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 1. 0.85. 0.4. 10. 1. 0.85. 0.4. 10. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor is connected across the voltage source and the frequency of voltage and current wave form is 50Hz, then what is frequency of instantaneous power 0 Hz. 150 Hz. 100 Hz. 50 Hz. 0 Hz. 150 Hz. 100 Hz. 50 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The form factor of sinusoidal alternating current is 0. 1. 1.15. 1.11. 0. 1. 1.15. 1.11. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the reactive power in AC operation? Real power × cosθ. Apparent power × cosθ. Apparent power × sinθ. Real power × sinθ. Real power × cosθ. Apparent power × cosθ. Apparent power × sinθ. Real power × sinθ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A certain network consists of large number of ideal linear resistances, one of which is designated as R and two constant ideal source. The power consumed by R is P1 when only the first source is active and P2 when only second source is active. In both sources are active simultaneously then the power consumed by R is (P1 ± P2 )2. P1 ± P2 . (√P1 ± √P2)2. √P1 ± √P2. (P1 ± P2 )2. P1 ± P2 . (√P1 ± √P2)2. √P1 ± √P2. ANSWER DOWNLOAD EXAMIANS APP
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