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? 30∠30o Ω. 3∠30o Ω. None of these 27∠30o Ω 30∠30o Ω. 3∠30o Ω. None of these 27∠30o Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced three Phase Y-connected load has one phase voltage VB = 277∠45o V. The phase sequence is RYB. The line to line voltage VRY is 480∠45o V. 480∠ - 45o V. 339∠- 45o V. 339∠45o V. 480∠45o V. 480∠ - 45o V. 339∠- 45o V. 339∠45o V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the relation between time period T and frequency? T = 0.5 / frequency. T = frequency. T = 1 / frequency. T = 0.85 / frequency. T = 0.5 / frequency. T = frequency. T = 1 / frequency. T = 0.85 / frequency. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Internal heating of a capacitor is usually attributed to leakage resistance. electron movement. dielectric charge. plate vibration. leakage resistance. electron movement. dielectric charge. plate vibration. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance. zero, zero infinite, infinite zero, infinite infinite, zero zero, zero infinite, infinite zero, infinite infinite, zero ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following are the passive elements? Resistor Both Bulb None of these. Resistor Both Bulb None of these. ANSWER DOWNLOAD EXAMIANS APP