Electric Circuits What is the reactive power in AC operation? Apparent power × cosθ. Real power × sinθ. Real power × cosθ. Apparent power × sinθ. Apparent power × cosθ. Real power × sinθ. Real power × cosθ. Apparent power × sinθ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor is connected to supply with switch and the switch is connected between capacitor and supply. Initially switch is open at time zero, and then switch is closed. Then how capacitor behaves at time t = 0+? open circuit. short circuit. dielectric losses increases. dielectric losses decreases. open circuit. short circuit. dielectric losses increases. dielectric losses decreases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC series circuit R = 2Ω, L = 2mH and C = 1μF. Find the time constant of the circuit? 2 μsec 2 msec 4 msec 1 μsec 2 μsec 2 msec 4 msec 1 μsec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following quantities consists of SI unit as WATT ? Current Charge Power Force Current Charge Power Force ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a lead acid cell PbSO4 formed during neither during charging nor discharging. discharging only. charging only. both during charging as well as discharging. neither during charging nor discharging. discharging only. charging only. both during charging as well as discharging. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits To obtain wide bandwidth, network is designed with which of the following? High Q factor Low Q factor Unity Q factor Zero Q factor High Q factor Low Q factor Unity Q factor Zero Q factor ANSWER DOWNLOAD EXAMIANS APP
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