Electric Circuits Which of the following are the passive elements? Resistor Both None of these. Bulb Resistor Both None of these. Bulb ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When power factor angle is varying, the shape of the current locus is Semicircle Straight line Circle Triangle Semicircle Straight line Circle Triangle ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A variable capacitance is one whose capacitance changes with voltage. changes with time. can be changed manually or by mechanical force. changes with temperature. changes with voltage. changes with time. can be changed manually or by mechanical force. changes with temperature. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If one cycle of AC waveform occurs every millisecond, the frequency will be 10 kHz. 100 Hz. 50 Hz. 1000 Hz. 10 kHz. 100 Hz. 50 Hz. 1000 Hz. 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. YBR. RYB. BYR. RBY. YBR. RYB. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC parallel circuit to get Q>1 which of the following is required? XL XL=R XL>R All of these XL XL=R XL>R All of these ANSWER DOWNLOAD EXAMIANS APP
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