Electric Circuits The resistance of 100 W, 200 V lamp is 1600 Ω. 200 Ω. 400 Ω. 800 Ω. 1600 Ω. 200 Ω. 400 Ω. 800 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which field is associated with the capacitor? Both of (A) and (B). Magnetic. Electric. None of above. Both of (A) and (B). Magnetic. Electric. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which of the circuits power factor can be zero? inductive. capacitive. resistive. both ‘a’ and ‘b’ inductive. capacitive. resistive. both ‘a’ and ‘b’ 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? 10 Hz. 1 Hz. 100 Hz. 1000 Hz. 10 Hz. 1 Hz. 100 Hz. 1000 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of each of them decreases. copper decreases and germanium increases. each of them increases. copper increases and germanium decreases. each of them decreases. copper decreases and germanium increases. each of them increases. copper increases and germanium decreases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The synchronous speed for the seventh space harmonic mmf wave of 8 pole, 50 Hz induction machine will be 107.14 rpm in reverse direction. 107.14 rpm in forward direction. 5250 rpm in forward direction. 5250 rpm in reverse direction. 107.14 rpm in reverse direction. 107.14 rpm in forward direction. 5250 rpm in forward direction. 5250 rpm in reverse direction. ANSWER DOWNLOAD EXAMIANS APP