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What is the voltage across the 4F capacitor?(a) 120V(b) 60V(c) 100V(d) 220VI have been asked this question during an online exam.I need to ask this question from Distribution of Voltage Across Capacitors in Series in chapter Capacitance and Capacitors of Basic Electrical Engineering |
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Answer» RIGHT OPTION is (b) 60V The best explanation: Capacitors are in series. 1/C=1/2+1/4+1/6, therefore, C=(12/11)F. Q = C*V = 220*(12/11) = 240C. V across 4F capacitor = Q/C = 240/4 = 60V. |
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