Electric Circuits What is called a cycle in case of AC operation ? When ac goes through a complete (+)ve to (-)ve, is called a cycle. When an alternating quantity completes the (–)ve cycle, is called a cycle. Option A and C both. When ac completes the (+)ve half, is called a cycle. When ac goes through a complete (+)ve to (-)ve, is called a cycle. When an alternating quantity completes the (–)ve cycle, is called a cycle. Option A and C both. When ac completes the (+)ve half, is called a cycle. 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 1236 W. none of these. 618 W. 411.3 W. 1236 W. none of these. 618 W. 411.3 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following materials has the least resistivity ? Copper. Mercury. Lead. Zinc. Copper. Mercury. Lead. Zinc. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The frequency of EMF generated by a generator depends upon its speed. number of poles. nature of supply. both speed and number of poles. speed. number of poles. nature of supply. both speed and number of poles. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC series circuit R = 2Ω, L = 2mH and C = 1μF. Find the time constant of the circuit? 1 μsec 2 msec 4 msec 2 μsec 1 μsec 2 msec 4 msec 2 μsec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The coils having self inductor of 10 mH and 15 mH have an effective inductor of 40 mH, when connected in series aiding. What will be the equivalent inductor if we connect them in series opposing 0 mH. 5 mH. 10 mH. 20 mH. 0 mH. 5 mH. 10 mH. 20 mH. ANSWER DOWNLOAD EXAMIANS APP
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