Electric Circuits A capacitor has a capacitance of 6 μF. Calculate the stored energy in it if a DC voltage of 100 V, is applied across it? 2.5 × 102 joules. 4 × 102 joules. 6 × 102 joules. 3 × 102 joules. 2.5 × 102 joules. 4 × 102 joules. 6 × 102 joules. 3 × 102 joules. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the network shown below when I = 0, V = 20 V and when R = 0, I = 10 A. If now R = 3 Ω what is the value of the current I? 5 A. 6 A. 4 A. 10 A. 5 A. 6 A. 4 A. 10 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The frequency of EMF generated by a generator depends upon its number of poles. speed. both speed and number of poles. nature of supply. number of poles. speed. both speed and number of poles. nature of supply. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two sinusoidal quantities are said to be in phase quadrature, when their phase difference is 90o. 0o. 30o. 45o. 90o. 0o. 30o. 45o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following elements is/are called dynamic element/s? C. Both L and C. R. L. C. Both L and C. R. L. 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. 400 130 900 250 400 130 900 250 ANSWER DOWNLOAD EXAMIANS APP
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