Electric Circuits In which braking back emf exceeds supply voltage? None of these. Dynamic. Regenerative. Plugging. None of these. Dynamic. Regenerative. Plugging. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Atoms with fewer than 4 valence electrons are none of these. conductor. insulator. semi-conductor. none of these. conductor. insulator. semi-conductor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A star connected load has three equal impedance each of (40 + j30) Ω If the line current is 5 A then value of line voltage is 250 √3 V. 200 V. 250 / √3 V. 250 V. 250 √3 V. 200 V. 250 / √3 V. 250 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then voltage across each resistor is doubled. increase by two times. remain same. halved. doubled. increase by two times. remain same. halved. 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. 1 Hz. 1000 Hz. 10 Hz. 100 Hz. 1 Hz. 1000 Hz. 10 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which variety of copper has the best mechanical strength ? Soft copper. Annealed copper. Cast copper. Hard drawn copper. Soft copper. Annealed copper. Cast copper. Hard drawn copper. ANSWER DOWNLOAD EXAMIANS APP
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