Electric Circuits Three resistances of two ohms each are connected in star. In the equivalent delta representation each resistance will have a value of _______________ Ω. 0.6. 6. 3.4. 5.2. 0.6. 6. 3.4. 5.2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a 3 - φ delta connection, two-wattmeter method is used to measure the power; if the two watt meters read 28.13 kW and 13.31 kW, the power factor of connection will be 0.9. 0.85. 0.6. 0.4. 0.9. 0.85. 0.6. 0.4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is represented by the hypotenuse of impedance triangle? Reactance drop. Resistance drop. Apparent power. Impedance drop. Reactance drop. Resistance drop. Apparent power. Impedance drop. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of a conductor of diameter d and length l is R Ω. If the diameter of the conductor is halved and its length is doubled, the resistance will be 8R Ω 4R Ω 2R Ω R Ω 8R Ω 4R Ω 2R Ω R Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Capacitors for P.f correction are rated in KV. KVAR. KW. KVA. KV. KVAR. KW. KVA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest? 1 Hz. 1000 Hz. 10 Hz. 100 Hz. 1 Hz. 1000 Hz. 10 Hz. 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
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