Electric Circuits A external resistance R is connected to a cell of internal resistance r, then the current is maximum when R = r. None of these R > r. R < r. R = r. None of these R > r. R < r. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When power factor angle is constant, then shape of the current locus is triangle. circle. straight line. semi circle. triangle. circle. straight line. semi circle. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The electrical conductivity of metal is typically of the order of (in ohm - m) 10 - 4. 107. 105. 10 - 6. 10 - 4. 107. 105. 10 - 6. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The maximum value of a current wave is 2A. If the form factor of a current wave is 1.5 and the peak factor is 2.7, find the average value in Amperes. 1.57 A. 0.494 A. 1.414 A. 0.741 A. 1.57 A. 0.494 A. 1.414 A. 0.741 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a function is shifted by 'T', then it is correctly represented as f (t) u (t). f (t) u (t-T). f (t-T) u (t). f (t-T) u (t-T). f (t) u (t). f (t) u (t-T). f (t-T) u (t). f (t-T) u (t-T). ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The frequency of EMF generated by a generator depends upon its nature of supply. both speed and number of poles. speed. number of poles. nature of supply. both speed and number of poles. speed. number of poles. ANSWER DOWNLOAD EXAMIANS APP
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