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. 5250 rpm in reverse direction. 107.14 rpm in reverse direction. 5250 rpm in forward direction. 107.14 rpm in forward direction. 5250 rpm in reverse direction. 107.14 rpm in reverse direction. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two point charges of 4μC are placed at a distance of 3 cm apart from each other in free space. Force acting on two charges will be 0.02 N 400 N 100 N 160 N 0.02 N 400 N 100 N 160 N ANSWER DOWNLOAD EXAMIANS APP
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. 800 Ω. 40 Ω. 4 Ω. 400 Ω. 800 Ω. 40 Ω. 4 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The voltage induced in an inductor is represented as, product of its inductance and rate of change of current through it. product of its inductance and current through it. ratio of current through it to its inductance. ratio of its inductance to current through it. product of its inductance and rate of change of current through it. product of its inductance and current through it. ratio of current through it to its inductance. ratio of its inductance to current through it. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Addition of which of the following substance in electrolyte helps in producing bright finish? Any of above. Dextrol. Phenol. Glycerine. Any of above. Dextrol. Phenol. Glycerine. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) {3 + 2(1.141)} V. 4.123 V. 7 V. 5 V. {3 + 2(1.141)} V. 4.123 V. 7 V. 5 V. ANSWER DOWNLOAD EXAMIANS APP
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