A 12- $\mu$ F Capacitor in a Flash Camera Is Charged by a Charged

Multiple Choice

A 1.2- $\mu$ F capacitor in a flash camera is charged by a 1.5-V battery.When the camera flashes,this capacitor is discharged through a resistor.The time constant of the circuit is 10 ms.What is the value of the resistance?

A) 8.0 $\times$ 10^-2 $\Omega$
B) 0.12 $\Omega$
C) 12 k $\Omega$
D) 8.3 k $\Omega$
E) 3.1 k $\Omega$