Electric Circuits A parallel plate capacitor has a capacitance of C farad. It area of the plates is doubled and the distance between them is half, the capacitance of the capacitor is 16C Farad. 4C Farad. C Farad. 2C Farad. 16C Farad. 4C Farad. C Farad. 2C Farad. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the frequency of domestic power in India? 60 Hz. 50 Hz. 220 Hz. 70 Hz. 60 Hz. 50 Hz. 220 Hz. 70 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a 3 - φ delta connection, two-wattmeter method is used to measure the power; if the two watt meters read 28.13 kW and 13.31 kW, the power factor of connection will be 0.6. 0.9. 0.4. 0.85. 0.6. 0.9. 0.4. 0.85. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits 2) Two sinusoidal emfs are given as e1 = Asin(wt+45) and e2 = Bsin(wt-30). The phase difference between the two quantities in degrees is 105. 60. 75. 15. 105. 60. 75. 15. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The common voltage across parallel branches with different voltage sources can be determined by the relation V = (V1 / R1 + V2 / R2 + V3 / R3) / (1 / R1 + 1 / R2 +1 / R3 .....) The statement is associated with which theorem? Millman’s theorem. Superposition theorem. Norton’s theorem. Thevenin’s theorem. Millman’s theorem. Superposition theorem. Norton’s theorem. Thevenin’s theorem. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Consider the following circuit. In this circuit, when Vs = 3 V, I = 4 A, what is the value of I when Vs = 12 V? 10 A. 7 A. 20 A. 15 A. 10 A. 7 A. 20 A. 15 A. ANSWER DOWNLOAD EXAMIANS APP
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