1.

When the supply frequency increases, what happens to the capacitive reactance in the circuit?(a) Increases(b) Decreases(c) Remains the same(d) Becomes zero

Answer» Right answer is (b) Decreases

The explanation: The expression for capacitive reactance is: Xc=1/(2*pi*f*C). This relation shows that frequency is inversely related to capacitive reactance. Hence, as supply frequency increases, the capacitive reactance decreases.


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