Electric Circuits A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest? 1 Hz. 100 Hz. 1000 Hz. 10 Hz. 1 Hz. 100 Hz. 1000 Hz. 10 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits To reduce hysteresis loss, we use copper bars. soft-iron. CRGO steel. laminated sheets. copper bars. soft-iron. CRGO steel. laminated sheets. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current is said to be alternating when it changes in magnitude. none of these. direction. both ‘a’ and ‘b’. magnitude. none of these. direction. both ‘a’ and ‘b’. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance. zero, zero infinite, infinite zero, infinite infinite, zero zero, zero infinite, infinite zero, infinite infinite, zero ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the circuit shown below, find the thevnin equivalent resistance. 5 Ohm. 5/6 Ohm. 1.5 Ohm. 6/5 Ohm. 5 Ohm. 5/6 Ohm. 1.5 Ohm. 6/5 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following substance when added to electrolyte promotes smooth deposition? Any of above. Glucose. Albumen. Gelatine. Any of above. Glucose. Albumen. Gelatine. ANSWER DOWNLOAD EXAMIANS APP
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