Electric Circuits In which braking back emf exceeds supply voltage? None of these. Dynamic. Plugging. Regenerative. None of these. Dynamic. Plugging. Regenerative. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A coil with negligible resistance has 50 V across it with 10 mA. The inductive reactance is 50 ohms. 5000 ohms. 1000 ohms. 500 ohms. 50 ohms. 5000 ohms. 1000 ohms. 500 ohms. ANSWER DOWNLOAD EXAMIANS APP
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 0.9. 0.85. 0.4. 0.6. 0.9. 0.85. 0.4. 0.6. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is called the instantaneous value of an alternating current? The value of alternating frequency at any instant. The value of peak quantity at any instant. The value of peak current at any instant. The value of alternating quantity at any instant. The value of alternating frequency at any instant. The value of peak quantity at any instant. The value of peak current at any instant. The value of alternating quantity at any instant. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four resistances 80 Ohm, 50 Ohm, 25 Ohm and R are connected in parallel. Current through 25 Ohm resistance is 4A. Total current of supply is 10A. The value of R will be 36.36. 40.25. 76.66. 66.66. 36.36. 40.25. 76.66. 66.66. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series RLC circuit which of the following represents the Q factor ? VR/V XL/R All of these XC/R VR/V XL/R All of these XC/R ANSWER DOWNLOAD EXAMIANS APP