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? YBR. RBY. BYR. RYB. YBR. RBY. BYR. RYB. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacity of a cell is measured in watt-hours. amperes. ampere-hour. watts. watt-hours. amperes. ampere-hour. watts. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Link in network theory refers to B - N + 1. B - N - 1. N - B - 1. N - 1. B - N + 1. B - N - 1. N - B - 1. N - 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of a strip of copper of rectangular cross section is 2 Ω. A metal of resistivity twice that of a copper is coated on its upper surface to a thickness equal to that of copper strip. The resistance of composite strip will be 4 / 3 Ω. 6 Ω. 3 / 2 Ω. 3 / 4 Ω. 4 / 3 Ω. 6 Ω. 3 / 2 Ω. 3 / 4 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) {3 + 2(1.141)} V. 4.123 V. 5 V. 7 V. {3 + 2(1.141)} V. 4.123 V. 5 V. 7 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits There are two capacitors C1 and C2 in parallel , what will be their equivalent capacitance? C1 + C2. C1C2. (C1 + C2) / C1C2. (C1C2) / C1 + C2. C1 + C2. C1C2. (C1 + C2) / C1C2. (C1C2) / C1 + C2. ANSWER DOWNLOAD EXAMIANS APP
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