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Question:

The figure shown a network of five capacitors connected to a 100V supply. Calculate the total energy stored in the network.

Solution:

So the equivalent capacitance of the network shown is 4µF

Pd = 100V

E = 1/2CV² = 1/2 × (100)² × 4 × 10⁻⁶

E = 0.5 × 10⁴ × 4 × 10⁻⁶

E = 2 × 10⁻² Joules