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. 400 900 250 130 400 900 250 130 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The efficiency in case of maximum power transfer theorem is less than 50 %. 50 %. 100 %. 50 % - 100 %. less than 50 %. 50 %. 100 %. 50 % - 100 %. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the followings is the expression for energy stored in a capacitor? C / v. C dv / dt. (1 / 2) Cv2. Cv. C / v. C dv / dt. (1 / 2) Cv2. Cv. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If c1 = 8 μF, c2 = 4 μF, c3 = 7 μF c1, c2 are in series with c3 in parallel; effective capacitance will be 3 μF. 6 μF. 2.21 μF. 9.67 μF. 3 μF. 6 μF. 2.21 μF. 9.67 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A ceramic and a mica capacitor have the same physical dimension. Which has the higher value of capacitance? Ceramic capacitor. Mica capacitor. Both have identical value of capacitor. It is impossible to conclude on the basis of information supplied. Ceramic capacitor. Mica capacitor. Both have identical value of capacitor. It is impossible to conclude on the basis of information supplied. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which quantity consists of a unit 1KWh ? Charge Energy Time Power Charge Energy Time Power ANSWER DOWNLOAD EXAMIANS APP
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