Electric Circuits The resistance of a conductor of diameter d and length l is R Ω. If the diameter of the conductor is halved and its length is doubled, the resistance will be 2R Ω 4R Ω 8R Ω R Ω 2R Ω 4R Ω 8R Ω R Ω 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 forward direction. 5250 rpm in forward direction. 107.14 rpm in reverse direction. 5250 rpm in reverse direction. 107.14 rpm in forward direction. 5250 rpm in forward direction. 107.14 rpm in reverse direction. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Instantaneous power in inductor is proportional to the temperature of the inductor. square of the rate of change of current. square of instantaneous current. product of the instantaneous current and rate of change of current. temperature of the inductor. square of the rate of change of current. square of instantaneous current. product of the instantaneous current and rate of change of current. 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 ? None of these. 0.01 V. 1 V. 0.1 V . None of these. 0.01 V. 1 V. 0.1 V . ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC series circuit, if the voltage across capacitor is greater than voltage across inductor, then power factor of the network is lagging. leading. unity. zero. lagging. leading. unity. zero. ANSWER DOWNLOAD EXAMIANS APP
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. 0.015 Ω. 63.7 Ω. 1.765 Ω. 135.86 Ω. 0.015 Ω. 63.7 Ω. 1.765 Ω. ANSWER DOWNLOAD EXAMIANS APP
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