Electric Circuits Which of the followings is the expression for energy stored in a capacitor? C dv / dt. Cv. C / v. (1 / 2) Cv2. C dv / dt. Cv. C / v. (1 / 2) Cv2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits During charging, the electrolyte of a lead acid battery becomes diluted with water. weaker. stronger. there is no change in electrolyte. diluted with water. weaker. stronger. there is no change in electrolyte. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Ceq of two capacitors connected in series is given by C1 = C2. C1 + C2. C1 C2 / (C1 + C2). C1C2. C1 = C2. C1 + C2. C1 C2 / (C1 + C2). C1C2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A motor having a power factor of 0.8 absorbs in active power of 1200 W the reactive power drawn from the supply is _________ VA. 130 250 900 400 130 250 900 400 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true? The power dissipation in each bulb is not same. None of these The voltage across each bulb is not same. The current through each bulb is same. The power dissipation in each bulb is not same. None of these The voltage across each bulb is not same. The current through each bulb is same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits i) In star connection line current is equal to phase current. ii) In delta connection line voltage is equal to phase voltage. For a given phase connected to the particular line which of the statement is true ? None of these. Only (2). Only (1). Both (1) and (2). None of these. Only (2). Only (1). Both (1) and (2). ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS