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Calculate the energy stored in the combination of the capacitors.

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in Basic Electrical Engineering by (88.7k points)
Calculate the energy stored in the combination of the capacitors.

(a) 192kJ

(b) 1.92kJ

(c) 19.2kJ

(d) 1920J

I had been asked this question in homework.

This interesting question is from Energy Stored in a Charged Capacitor in portion Capacitance and Capacitors of Basic Electrical Engineering

1 Answer

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Best answer
Right option is (c) 19.2kJ

The best explanation: The equivalent capacitance is: Ceq=4+2=6F.

From the expression:

WD = CV^2/2 = 6*80^2/2 = 19200J = 19.2kJ.

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