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 27∠30o Ω 30∠30o Ω. 3∠30o Ω. None of these 27∠30o Ω 30∠30o Ω. 3∠30o Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The strength of current in 1 H inductor changes at rate of 1 A / sec. Find the voltage across it? 2 V. 0.5 V. None of these. 1 V. 2 V. 0.5 V. None of these. 1 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The energy required to charge a 10 μF capacitor to 100 V is 0.01 J. 10 × 10-9 J. 5 × 10-9 J. 0.05 J. 0.01 J. 10 × 10-9 J. 5 × 10-9 J. 0.05 J. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A wire 2.5 m long is bent into a square. An current of 100 A flowing through the wire will produce a magnetizing force at the center of the square, equal to 222 AT / m. 144 AT / m. 196 AT / m. 72 AT / m. 222 AT / m. 144 AT / m. 196 AT / m. 72 AT / m. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following materials has the least resistivity ? Lead. Zinc. Copper. Mercury. Lead. Zinc. Copper. Mercury. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following may be value of resistivity of copper? 1.7 X 10 - 6. 1.7 X 10 - 5. 1.7 X 10 - 3. 1.7 X 10 - 4. 1.7 X 10 - 6. 1.7 X 10 - 5. 1.7 X 10 - 3. 1.7 X 10 - 4. ANSWER DOWNLOAD EXAMIANS APP
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