Electric Circuits Phase voltages of a star connected alternator are ER = 240∠0o V, EY = 240∠-120o V and EB = 240∠ + 120o V. What is the phase sequence of the system? RYB. YBR. RBY. BYR. RYB. YBR. RBY. BYR. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An electric field line and an equipotential surface are inclined at any angle. always perpendicular. none of above. always parallel. inclined at any angle. always perpendicular. none of above. always parallel. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An alternating voltage = 140 sinθ is supplied to a device which offers a resistance of 20 Ω in forward direction of current in reverse direction. Calculate the form factor. 1.414. 1.11. 0.57. 0.318. 1.414. 1.11. 0.57. 0.318. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Mica capacitor are characterised by all of following except accurate value. low losses. low leakage reactance. stable operation. accurate value. low losses. low leakage reactance. stable operation. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitive circuit, the capacitive reactance is indirectly proportional to frequency indirectly proportional to the square of frequency directly proportional to frequency directly proportional to the square of frequency indirectly proportional to frequency indirectly proportional to the square of frequency directly proportional to frequency directly proportional to the square of frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor contain there dielectric layers of 1, 2 and 3 respectively and thickness of dielectric layers are 0.2 mm, 0.3 mm and 0.4 mm respectively. If area of plate is 20 cm2. What is the value of capacitance? 32 pF. 30 pF. 36.6 pF. None of them. 32 pF. 30 pF. 36.6 pF. None of them. ANSWER DOWNLOAD EXAMIANS APP
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