Electric Circuits In direct arc furnace which of following is of high value? Power factor. All of above. Current. Voltage. Power factor. All of above. Current. Voltage. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 2m long conductor, carries a current of 50 A at a magnetic field of 100 × 10 − 3 T. The force on the conductor is 100 N. 1000 N. 10000 N. 10 N. 100 N. 1000 N. 10000 N. 10 N. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The switch S is the circuit shown in figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is 0.5 mA. 0.35 mA. 1 mA. 0.25 mA. 0.5 mA. 0.35 mA. 1 mA. 0.25 mA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is apparent power in AC operation? Product of voltage and current at no load. Product of voltage and current at full load. Product of rms voltage and rms current. Product of voltage and current. Product of voltage and current at no load. Product of voltage and current at full load. Product of rms voltage and rms current. Product of voltage and current. 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-T) u (t). f (t-T) u (t-T). f (t) u (t-T). f (t) u (t). f (t-T) u (t). f (t-T) u (t-T). f (t) u (t-T). ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of supply voltage for 400 W, 4 Ω load is 40 V. 200 V. 400 V. 20 V. 40 V. 200 V. 400 V. 20 V. ANSWER DOWNLOAD EXAMIANS APP
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