Lasers are used to try to produce controlled fusion reactions that might supply

Question

Lasers are used to try to produce controlled fusion reactions that might supply large amounts of electrical energy. The lasers require brief pulses of energy that are stored in large rooms filled with capacitors. One such room has a capacitance of 61 x 10-3 F charged to a potential difference of 10.0 kV.

a. Find the energy stored in the capacitors?

b. The capacitors are discharged in 10 ns (1.0 x 10-8 s). What power is produced?
c. If the capacitors are charged by a generator with a power capacity of 1.0 kW, how many seconds will be required to charge the capacitors?

Explanation / Answer

a. Find the energy stored in the capacitors?

given that W =

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