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. RYB. BYR. YBR. RBY. RYB. BYR. YBR. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance. infinite, infinite zero, infinite infinite, zero zero, zero infinite, infinite zero, infinite infinite, zero zero, zero ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following are the passive elements? Resistor Both Bulb None of these. Resistor Both Bulb None of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The absolute charge of an electron is + 1.6 × 10-19 C. none of above. - 1.6 × 10-19 C. 1.6 × 10-19 C. + 1.6 × 10-19 C. none of above. - 1.6 × 10-19 C. 1.6 × 10-19 C. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The voltage induced in an inductor is represented as, ratio of its inductance to current through it. product of its inductance and current through it. product of its inductance and rate of change of current through it. ratio of current through it to its inductance. ratio of its inductance to current through it. product of its inductance and current through it. product of its inductance and rate of change of current through it. ratio of current through it to its inductance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which battery is used in aeroplanes? Dry cell battery. Edission cell. Lead acid battery. None of them. Dry cell battery. Edission cell. Lead acid battery. None of them. ANSWER DOWNLOAD EXAMIANS APP
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