What is the relation between current and voltage in a capacitor?

A)
I=Ct
B)
I=1/CdV/dt
C)
I=1/C*integral(Vdt)
D)
I=CdV/dt

Correct Answer : Option (D) :   I=CdV/dt


Explanation : Current=rate of change of charge
I=dQ/dt. Q=CV. C(capacitance) is constant for a given capacitor so I=CdV/dt.