Electric Circuits Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A. 2.56 0.5 3.149 1 2.56 0.5 3.149 1 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. 130 900 400 250 130 900 400 250 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The internal resistance of a practical voltage source is considered to be connected in parallel. series. either parallel or series. None of these parallel. series. either parallel or series. None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Silver coating is provided for decorative purpose. all of above. protective purpose. bearing surfaces. decorative purpose. all of above. protective purpose. bearing surfaces. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the circuit shown in the figure, the value of Vs is 0, when I = 4 A. The value of I, when Vs = 16 V, is 10 A. 6 A. 8 A. 12 A. 10 A. 6 A. 8 A. 12 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced delta connected load has an impedance of 9∠30o Ω per phase. What is the impedance per phase of its equivalent star? None of these 30∠30o Ω. 3∠30o Ω. 27∠30o Ω None of these 30∠30o Ω. 3∠30o Ω. 27∠30o Ω ANSWER DOWNLOAD EXAMIANS APP
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