Electric Circuits The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be 400 Ω. 4 Ω. 40 Ω. 800 Ω. 400 Ω. 4 Ω. 40 Ω. 800 Ω. 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 remain same. increase by two times. doubled. halved. remain same. increase by two times. doubled. halved. 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 5250 rpm in forward direction. 107.14 rpm in forward direction. 107.14 rpm in reverse direction. 5250 rpm in reverse direction. 5250 rpm in forward direction. 107.14 rpm in forward direction. 107.14 rpm in reverse direction. 5250 rpm in reverse direction. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a function is shifted by 'T', then it is correctly represented as f (t-T) u (t). f (t-T) u (t-T). f (t) u (t-T). f (t) u (t). f (t-T) u (t). f (t-T) u (t-T). f (t) u (t-T). f (t) u (t). ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the given figure the value of the source voltage is 30 V. 44 V. 24 V. 12 V. 30 V. 44 V. 24 V. 12 V. ANSWER DOWNLOAD EXAMIANS APP
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. 130 250 400 900 130 250 400 900 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS