Electric Circuits A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance? 135.86 Ω. 63.7 Ω. 1.765 Ω. 0.015 Ω. 135.86 Ω. 63.7 Ω. 1.765 Ω. 0.015 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In direct arc furnace which of following is of high value? Voltage. Power factor. All of above. Current. Voltage. Power factor. All of above. Current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The average value of half wave rectified sinusoidal current waveform, whose maximum value is 1A is 0.5 A. 0.318 A. 0.637 A. 1 A. 0.5 A. 0.318 A. 0.637 A. 1 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which part of magnetic path requires largest mmf? Inductance. Core. Coil. Air gap. Inductance. Core. Coil. Air gap. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The synchronous speed for the seventh space harmonic mmf wave of 8 pole, 50 Hz induction machine will be 5250 rpm in reverse direction. 107.14 rpm in reverse direction. 5250 rpm in forward direction. 107.14 rpm in forward direction. 5250 rpm in reverse direction. 107.14 rpm in reverse direction. 5250 rpm in forward direction. 107.14 rpm in forward direction. ANSWER DOWNLOAD EXAMIANS APP
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. 3 × 102 joules. 6 × 102 joules. 2.5 × 102 joules. 4 × 102 joules. 3 × 102 joules. 6 × 102 joules. ANSWER DOWNLOAD EXAMIANS APP