Electric Circuits A motor having a power factor of 0.8 absorbs in active power of 1200 W the reactive power drawn from the supply is _________ VA. 900 250 130 400 900 250 130 400 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced delta connected load has an impedance of 9∠30o Ω per phase. What is the impedance per phase of its equivalent star? 30∠30o Ω. 27∠30o Ω 3∠30o Ω. None of these 30∠30o Ω. 27∠30o Ω 3∠30o Ω. None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following is the unit of magnetic flux density? Daraf. Lumens. Weber. Tesla. Daraf. Lumens. Weber. Tesla. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC series circuit if the Q factor is 1, then the damping of the system is Undamping Under damping Critical damping Over damping Undamping Under damping Critical damping Over damping ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true? None of these The current through each bulb is same. The voltage across each bulb is not same. The power dissipation in each bulb is not same. None of these The current through each bulb is same. The voltage across each bulb is not same. The power dissipation in each bulb is not same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 10 μF capacitor and 100 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow brightest? 100 Hz. 1000 Hz. 1 Hz. 10 Hz. 100 Hz. 1000 Hz. 1 Hz. 10 Hz. ANSWER DOWNLOAD EXAMIANS APP
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