Electric Circuits The internal resistance of a practical voltage source is considered to be connected in series. parallel. None of these either parallel or series. series. parallel. None of these either parallel or series. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The breakdown voltage for paper capacitor is usually 20 to 60 volts. 2000 to 3000 volts. 200 to 1600 volts. more than 10000 volts. 20 to 60 volts. 2000 to 3000 volts. 200 to 1600 volts. more than 10000 volts. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the value of C? 10.54 µF. 8.51 µF. 4.78 µF. 1.8 µF. 10.54 µF. 8.51 µF. 4.78 µF. 1.8 µF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the reactive power in AC operation? Apparent power × sinθ. Apparent power × cosθ. Real power × cosθ. Real power × sinθ. Apparent power × sinθ. Apparent power × cosθ. Real power × cosθ. Real power × sinθ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 100 μF capacitor supplied from 3 V source with a frequency of 50 Hz. The capacitive reactance is 63.68 Ω. 15.92 Ω. 31.84 Ω. 7.96 Ω. 63.68 Ω. 15.92 Ω. 31.84 Ω. 7.96 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The greater the internal resistance of a cell the greater the emf. the greater the terminal voltage. the lesser the emf. the lesser the terminal voltage. the greater the emf. the greater the terminal voltage. the lesser the emf. the lesser the terminal voltage. ANSWER DOWNLOAD EXAMIANS APP
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