Electric Circuits An electrical motor has rating of 10 MVA at 0.8 lag, represented as series RL circuit at a 50 MVA base. Find the impedance value? (4 + j2 ) pu (4 + j3) pu (2 + j4) pu (3 + j4) pu (4 + j2 ) pu (4 + j3) pu (2 + j4) pu (3 + j4) pu ANSWER DOWNLOAD EXAMIANS APP
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? BYR. RBY. RYB. YBR. BYR. RBY. RYB. YBR. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 10 μF capacitor and 100 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow brightest? 1000 Hz. 10 Hz. 100 Hz. 1 Hz. 1000 Hz. 10 Hz. 100 Hz. 1 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two resistors R1 and R2 give combined resistance of 4.5 Ohm when connected in series and 1 Ohm when in parallel, the resistances are 2 Ohm and 2.5 Ohm. 2.2 Ohm and 2.3 Ohm. 1.5 Ohm and 3 Ohm. 1.25 Ohm and 3.25 Ohm. 2 Ohm and 2.5 Ohm. 2.2 Ohm and 2.3 Ohm. 1.5 Ohm and 3 Ohm. 1.25 Ohm and 3.25 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the circuit shown below if I = 2 A then find V? 1 V. 2 V. 5 V. 3 V. 1 V. 2 V. 5 V. 3 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three resistances of two ohms each are connected in star. In the equivalent delta representation each resistance will have a value of _______________ Ω. 6. 3.4. 5.2. 0.6. 6. 3.4. 5.2. 0.6. ANSWER DOWNLOAD EXAMIANS APP
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