Electric Circuits What is called the instantaneous value of an alternating current? The value of alternating quantity at any instant. The value of peak quantity at any instant. The value of peak current at any instant. The value of alternating frequency at any instant. The value of alternating quantity at any instant. The value of peak quantity at any instant. The value of peak current at any instant. The value of alternating frequency at any instant. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Resistance of which material does not change with change in temperature? Tungsten. Platinum. Brass. Metal alloys constantan and manganin. Tungsten. Platinum. Brass. Metal alloys constantan and manganin. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the reactive power in AC operation? Apparent power × cosθ. Real power × cosθ. Apparent power × sinθ. Real power × sinθ. Apparent power × cosθ. Real power × cosθ. Apparent power × sinθ. Real power × sinθ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit decrease if frequency of voltage source increases? Z and I. VL and VR. VR and I. VL and Z. Z and I. VL and VR. VR and I. VL and Z. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the circuit shown in the figure, the value of Vs is 0, when I = 4 A. The value of I, when Vs = 16 V, is 6 A. 12 A. 8 A. 10 A. 6 A. 12 A. 8 A. 10 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following elements is/are called dynamic element/s? C. R. L. Both L and C. C. R. L. Both L and C. ANSWER DOWNLOAD EXAMIANS APP
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