Electric Circuits The synchronous speed for the seventh space harmonic mmf wave of 8 pole, 50 Hz induction machine will be 5250 rpm in reverse direction. 5250 rpm in forward direction. 107.14 rpm in reverse direction. 107.14 rpm in forward direction. 5250 rpm in reverse direction. 5250 rpm in forward direction. 107.14 rpm in reverse direction. 107.14 rpm in forward direction. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor has a capacitance of 6 μF. Calculate the stored energy in it if a DC voltage of 100 V, is applied across it? 4 × 102 joules. 3 × 102 joules. 6 × 102 joules. 2.5 × 102 joules. 4 × 102 joules. 3 × 102 joules. 6 × 102 joules. 2.5 × 102 joules. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two resistances R1 and R2 are connected in series across the voltage source where R1 > R2. The largest drop will be across none of them. either R1 or R2. R2. R1. none of them. either R1 or R2. R2. R1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A p.d. of 300 V is applied across series combination of 3 μF and 9 μF capacitors. The charge on each capacitor is ___________________ μC. 240. 7.5. 3600. 675. 240. 7.5. 3600. 675. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If conductance increases as temperature increases it is called as .......... both 1 and 2. None of these negative co-efficient. positive co-efficient. both 1 and 2. None of these negative co-efficient. positive co-efficient. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A wire of resistance R has it length and cross - section both doubled. Its resistance will become 4R. 0.5R. R. 2R. 4R. 0.5R. R. 2R. ANSWER DOWNLOAD EXAMIANS APP
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