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 A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across R is 40.8 V. 24.4 V . 50.8 V. 30.6 V. 40.8 V. 24.4 V . 50.8 V. 30.6 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which property is used to oppose the flow of current ? Poteintial difference Capacitance Inductance Resistance Poteintial difference Capacitance Inductance Resistance ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A wire 2.5 m long is bent into a square. An current of 100 A flowing through the wire will produce a magnetizing force at the center of the square, equal to 72 AT / m. 144 AT / m. 196 AT / m. 222 AT / m. 72 AT / m. 144 AT / m. 196 AT / m. 222 AT / m. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In direct arc furnace which of following is of high value? Voltage. All of above. Current. Power factor. Voltage. All of above. Current. Power factor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced 3 - φ star connected load is fed from a 208 V, 3 - φ supply. Each load has resistance of 35 Ω. The total power is none of these. 1236 W. 411.3 W. 618 W. none of these. 1236 W. 411.3 W. 618 W. ANSWER DOWNLOAD EXAMIANS APP
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