Electric Circuits A voltage source having an open circuit voltage of 100 V and internal resistance of 50 Ω is equivalent to a current source 2 A with 50 Ω in series. 0.5 A in parallel with 50 Ω. 2 A with 50 Ω in parallel. none of these. 2 A with 50 Ω in series. 0.5 A in parallel with 50 Ω. 2 A with 50 Ω in parallel. none of these. 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? 3∠30o Ω. 27∠30o Ω 30∠30o Ω. None of these 3∠30o Ω. 27∠30o Ω 30∠30o Ω. None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of copper increases and germanium decreases. copper decreases and germanium increases. each of them increases. each of them decreases. copper increases and germanium decreases. copper decreases and germanium increases. each of them increases. each of them decreases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits 200 resistors of 200 Ω each are connected in parallel. Their equivalent resistance will be 200 Ω. 4 kΩ. 400 Ω. 1 Ω. 200 Ω. 4 kΩ. 400 Ω. 1 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following is not a vector? Linear momentum. Electric field. Angular momentum. Electric potential. Linear momentum. Electric field. Angular momentum. Electric potential. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Kirchhoffs laws are valid for non-linear circuits only. linear circuit only. passive time invariant circuits. both linear and non-linear circuits. non-linear circuits only. linear circuit only. passive time invariant circuits. both linear and non-linear circuits. ANSWER DOWNLOAD EXAMIANS APP
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