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AP® Physics C: E & M

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Difficult

Current Immediately

APPHEM-DN1XRJ

A series circuit is comprised of a battery with a voltage $v$, an open switch, solenoid with and inductance $L$ and a resistor with the resistance $R$.

At time $t=0$, the switch is closed, what is the current through the resistor immediately after the switch is closed?

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A

0

B

$ \cfrac {V}{R} $

C

$\cfrac{V}{R}(1 - e^{-(R/L)t})$

D

$\cfrac{V}{R}(1 - e^{-(R Lt)})$

E

$\cfrac{V^{2}}{R}(1 - e^{-(R Lt)})$