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. 3.149 1 0.5 2.56 3.149 1 0.5 2.56 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
Electric Circuits A capacitor having a mica dielectric εR = 6, a plate area of a 10 inches2 and a separation 0.01 inch. Find the value of C 0 F. 1.349 F. 1.349 μF. 1.349 nF. 0 F. 1.349 F. 1.349 μF. 1.349 nF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following may be value of resistivity of copper? 1.7 X 10 - 4. 1.7 X 10 - 5. 1.7 X 10 - 6. 1.7 X 10 - 3. 1.7 X 10 - 4. 1.7 X 10 - 5. 1.7 X 10 - 6. 1.7 X 10 - 3. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An alternating voltage = 140 sinθ is supplied to a device which offers a resistance of 20 Ω in forward direction of current in reverse direction. Calculate the form factor. 1.414. 0.318. 1.11. 0.57. 1.414. 0.318. 1.11. 0.57. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the relation between time period T and frequency? T = 1 / frequency. T = 0.5 / frequency. T = frequency. T = 0.85 / frequency. T = 1 / frequency. T = 0.5 / frequency. T = frequency. T = 0.85 / frequency. ANSWER DOWNLOAD EXAMIANS APP