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 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. 5250 rpm in forward direction. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and a capacitor are connected to form series R - C circuit across a voltage source. If frequency of voltage source increases the current remain unaltered. the current decreases abruptly. the current decreases. the current increases. the current remain unaltered. the current decreases abruptly. the current decreases. the current increases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The equation for 25 cycles current sine wave having rms value of 30 amps, will be 30sin50πt. 42.4sin25πt. 30sin25πt. 42.4sin50πt. 30sin50πt. 42.4sin25πt. 30sin25πt. 42.4sin50πt. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Mesh analysis is prefered when loops are------nodes less than greater than equals to any of the above less than greater than equals to any of the above ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The phase angle difference between current and voltage is 90o, the power will be VI. maximum. zero. minimum. VI. maximum. zero. minimum. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When AC flows through a pure capacitance then the current leads the emf by 90o. leads the emf by - 90o. is in phase with emf. lags the emf by 90o. leads the emf by 90o. leads the emf by - 90o. is in phase with emf. lags the emf by 90o. ANSWER DOWNLOAD EXAMIANS APP