1.

A resistance-capacitance relaxation circuit is used in an electrical discharge machining process. The discharge voltage is 100 V. At a spark cycle time of 25 s, the average power input required is 1 kW. The capacitance (in F) in the circuit is

A. 2.5
B. 5.0
C. 7.5
D. 10.0
Answer» C. 7.5


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