In the circuit shown, there is initially no current flowing through the inductor. The instant after the switch is closed, what is the current through the battery?
A.
\(V / R_{1}\)
B.
\(V /\left(R_{1}+R_{2}\right)\)
C.
\(V /\left(R_{1}+R_{3}\right)\)
D.
\(\frac{V}{R_{1}+\frac{R_{2} R_{3}}{R_{2}+R_{3}}}\)
E.
\(\frac{R_{2}+R_{3}}{R_{1}+\frac{R_{2}}{R_{2} R_{3}}}\)
Exam No：AP Physics C(EM) Practice Test Year：2024 Question No：32
Answer:
B
Knowledge points:
5.2 Electromagnetism: Inductance (Including LR circuits)
Solution:
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