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? RBY. YBR. RYB. BYR. RBY. YBR. RYB. BYR. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A conductor of length l meters moves at right angles to a uniform magnetic field of flux density B = 1.5 T. if the velocity of revolution of the conductor is 50 ms-1 then induced e.m.f. in the conductor is 100 V. 0 V. 75 V. 125 V. 100 V. 0 V. 75 V. 125 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If P is the power of a star connected system then what will be power of an equivalent delta connected system? None of these P P/3 3P None of these P P/3 3P ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance n2 / R. n2R. R / n2. nR . n2 / R. n2R. R / n2. nR . ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The energy stored by a capacitor is given by Q2 / 2C. all of them. 1/2 QV. 1/2 CV2. Q2 / 2C. all of them. 1/2 QV. 1/2 CV2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The basic circuit elements are None of these R, L and C. Vs, Is. both A and B. None of these R, L and C. Vs, Is. both A and B. ANSWER DOWNLOAD EXAMIANS APP
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