When a capacitor , charged to a voltage , is discharged through a resistor , the current will decay exponentially according to the following equation:
i=E/R e^(-t/RC)
If E=250 V,C=160 μF and R=2100 Ω, answer the following questions:
a) What is the maximum current in the circuit?
b) After how long is the current one fourth of the maximum current?