how does capacitor oppose sudden chane in voltage?
how does inductor oppose sudden change in current?
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Answer Posted / sai
Because the relationship between voltage and current in a capacitor is:
i = C*dv/dt
An instantaneous change in the voltage across a capacitor would require that the rate of change of the voltage (dv/dt) be infinite, and hence the current would have to be infinite.
For inductors, the relationship is:
v = L*di/dt
In order for the rate of change of current to be infinite (instantaneous change), the applied voltage would have to be infinite.
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