Electric Circuits In direct arc furnace which of following is of high value? Power factor. All of above. Voltage. Current. Power factor. All of above. Voltage. Current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When AC flows through a pure capacitance then the current lags the emf by 90o. leads the emf by - 90o. leads the emf by 90o. is in phase with emf. lags the emf by 90o. leads the emf by - 90o. leads the emf by 90o. is in phase with emf. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then voltage across each resistor is remain same. increase by two times. halved. doubled. remain same. increase by two times. halved. doubled. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 35 V source is connected to a series circuit of 600 Ω and R as shown. If a voltmeter of internal resistance 1.2 kΩ is connected across 600 Ω resistor, it reads 5 V. The value of R is 2.4 k Ω. 3.6 k Ω. 1.2 k Ω. 7.2 k Ω. 2.4 k Ω. 3.6 k Ω. 1.2 k Ω. 7.2 k Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If Vout = 1 V for 1 kHz input then what would be Vout for 10 kHz for same input ? 0.01 V. None of these. 1 V. 0.1 V . 0.01 V. None of these. 1 V. 0.1 V . ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The breakdown voltage for paper capacitor is usually 200 to 1600 volts. 2000 to 3000 volts. more than 10000 volts. 20 to 60 volts. 200 to 1600 volts. 2000 to 3000 volts. more than 10000 volts. 20 to 60 volts. ANSWER DOWNLOAD EXAMIANS APP
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