Electric Circuits In a 3 - φ delta connection, two-wattmeter method is used to measure the power; if the two watt meters read 28.13 kW and 13.31 kW, the power factor of connection will be 0.6. 0.9. 0.4. 0.85. 0.6. 0.9. 0.4. 0.85. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which braking back emf exceeds supply voltage? Regenerative. Plugging. Dynamic. None of these. Regenerative. Plugging. Dynamic. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When AC flows through a pure capacitance then the current is in phase with emf. leads the emf by - 90o. leads the emf by 90o. lags the emf by 90o. is in phase with emf. leads the emf by - 90o. leads the emf by 90o. lags the emf by 90o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the peak value of a sine wave is 100 V, then its RMS value will be 70.7 V. 63.6 V. 88 V. 100 V. 70.7 V. 63.6 V. 88 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following may be the value of resistivity of copper at absolute zero in ohm-metre? 0.020. 1.56. 6.24. 3.12. 0.020. 1.56. 6.24. 3.12. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which variety of copper has the best mechanical strength ? Soft copper. Annealed copper. Hard drawn copper. Cast copper. Soft copper. Annealed copper. Hard drawn copper. Cast copper. ANSWER DOWNLOAD EXAMIANS APP
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