Electric Circuits There are two capacitors C1 and C2 in parallel , what will be their equivalent capacitance? C1 + C2. C1C2. (C1C2) / C1 + C2. (C1 + C2) / C1C2. C1 + C2. C1C2. (C1C2) / C1 + C2. (C1 + C2) / C1C2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor having a capacitance of 40 μF is connected across 250 V DC source. The charging current will be least when capacitor is half charged. when capacitor is almost 25% charged. initially. when capacitor is fully charged. when capacitor is half charged. when capacitor is almost 25% charged. initially. when capacitor is fully charged. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistivity of semi-conductors at room temperatures is 1000 to 1500 ohm - cm. 0.01 to 50 ohm - cm. 109 to 1012 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 1000 to 1500 ohm - cm. 0.01 to 50 ohm - cm. 109 to 1012 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An electrical motor has rating of 10 MVA at 0.8 lag, represented as series RL circuit at a 50 MVA base. Find the impedance value? (4 + j2 ) pu (2 + j4) pu (3 + j4) pu (4 + j3) pu (4 + j2 ) pu (2 + j4) pu (3 + j4) pu (4 + j3) pu ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Reactive power drawn by a pure resistor is 0 maximum None of these minimum 0 maximum None of these minimum ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Resistance of which material does not change with change in temperature? Tungsten. Platinum. Metal alloys constantan and manganin. Brass. Tungsten. Platinum. Metal alloys constantan and manganin. Brass. ANSWER DOWNLOAD EXAMIANS APP
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