Electric Circuits A star connected load has three equal impedance each of (40 + j30) Ω If the line current is 5 A then value of line voltage is 250 √3 V. 250 / √3 V. 200 V. 250 V. 250 √3 V. 250 / √3 V. 200 V. 250 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A delta connection contains three equal impedance of 60 Ω. The impedance of the equivalent star connection for each star load will be 40 Ω. 15 Ω. 20 Ω. 30 Ω. 40 Ω. 15 Ω. 20 Ω. 30 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced star connected load with impedance of 30j - 300 Ω is supplied from a 3 - phase, 4-wire, 173 V system, the voltages to neutral being 100j -900, 100j - 300 and 100j -1500 V. The current in neutral wire is 50 A. 5 A. zero. 8.85 A. 50 A. 5 A. zero. 8.85 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? 30∠30o Ω. 27∠30o Ω 3∠30o Ω. None of these 30∠30o Ω. 27∠30o Ω 3∠30o Ω. None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 3 – φ delta connected symmetrical load consumes P Watts of power from a balanced supply. If the same load is connected in star to the same supply then what is the power consumption? 3P. P. √3P. P/3. 3P. P. √3P. P/3. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS