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. 5250 rpm in reverse direction. 107.14 rpm in forward direction. 107.14 rpm in reverse direction. 5250 rpm in forward direction. 5250 rpm in reverse direction. 107.14 rpm in forward direction. 107.14 rpm in reverse direction. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the unit of potential difference ? Watt Volt Ohm Ampere Watt Volt Ohm Ampere ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three resistances have the following ratings 150 Ω at 5 %, 100 Ω at 5 % and 200 Ω at 5 % respectively. The percentage error when all the three are connected in series will be + 7 %. + 8 %. + 6 %. + 5 %. + 7 %. + 8 %. + 6 %. + 5 %. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The energy stored by a capacitor is given by Q2 / 2C. 1/2 QV. 1/2 CV2. all of them. Q2 / 2C. 1/2 QV. 1/2 CV2. all of them. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The ratio of the resistance of a 200 W, 230 V lamp to that of a 100 W, 115 V lamp will be 4. 0.5. 2. 0.25. 4. 0.5. 2. 0.25. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The arrangement of 12 cells each of internal resistance 1.5 Ohm to give maximum current in external load resistance of 2 Ohm will be in 3 parallel rows each row having 4 cells in series. all 12 in series. in 4 parallel rows each row having 3 cells in series. all 12 in parallel. in 3 parallel rows each row having 4 cells in series. all 12 in series. in 4 parallel rows each row having 3 cells in series. all 12 in parallel. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS