Electric Circuits In direct arc furnace which of following is of high value? Current. Power factor. All of above. Voltage. Current. Power factor. All of above. Voltage. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The internal resistance of a practical voltage source is considered to be connected in None of these series. parallel. either parallel or series. None of these series. parallel. either parallel or series. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A external resistance R is connected to a cell of internal resistance r, then the current is maximum when None of these R > r. R < r. R = r. None of these R > r. R < r. R = r. 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 L is 31.9 V. 50.5 V. 39.1 V. 45.5 V. 31.9 V. 50.5 V. 39.1 V. 45.5 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The frequency of EMF generated by a generator depends upon its both speed and number of poles. speed. nature of supply. number of poles. both speed and number of poles. speed. nature of supply. number of poles. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Internal heating of a capacitor is usually attributed to electron movement. dielectric charge. leakage resistance. plate vibration. electron movement. dielectric charge. leakage resistance. plate vibration. ANSWER DOWNLOAD EXAMIANS APP
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