Electric Circuits A 50 μF capacitor is charged to retain 10 MJ of energy by a constant charging current of 1 A. Determine the voltages across the capacitor? 30 V. 20 V. 50 V. 60 V. 30 V. 20 V. 50 V. 60 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the figure given, the value of R is 24 Ω. 10 Ω. 18 Ω. 12 Ω. 24 Ω. 10 Ω. 18 Ω. 12 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following has least resistivity? Aluminium. Lead. Mercury. Copper. Aluminium. Lead. Mercury. Copper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which metal is deposited for electro forming? Chromium. Silver. Iron. Nickel. Chromium. Silver. Iron. Nickel. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the reactive power in AC operation? Real power × sinθ. Apparent power × cosθ. Real power × cosθ. Apparent power × sinθ. Real power × sinθ. Apparent power × cosθ. Real power × cosθ. Apparent power × sinθ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The energy stored by a capacitor is given by 1/2 QV. all of them. Q2 / 2C. 1/2 CV2. 1/2 QV. all of them. Q2 / 2C. 1/2 CV2. ANSWER DOWNLOAD EXAMIANS APP
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