AP Physics C Electricity and Magnetism Quiz
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ELECTROMAGNETIC INDUCTION
Question 1
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A series LR circuit with
V
=
15
V
V=15\,\text{V}
V
=
15
V
,
R
=
5
Ω
R=5\,\Omega
R
=
5
Ω
,
L
=
5
H
L=5\,\text{H}
L
=
5
H
closes; Refer to the scenario above. How does the current change over time after the switch is closed?
A
i
(
t
)
=
V
R
(
1
−
e
−
t
R
/
L
)
i(t)=\frac{V}{R}\left(1-e^{-tR/L}\right)
i
(
t
)
=
R
V
(
1
−
e
−
tR
/
L
)
B
i
(
t
)
=
V
R
(
1
−
e
−
t
L
/
R
)
i(t)=\frac{V}{R}\left(1-e^{-tL/R}\right)
i
(
t
)
=
R
V
(
1
−
e
−
t
L
/
R
)
C
i
(
t
)
=
V
L
e
−
t
R
/
L
i(t)=\frac{V}{L}e^{-tR/L}
i
(
t
)
=
L
V
e
−
tR
/
L
D
i
(
t
)
=
V
R
e
−
t
L
/
R
i(t)=\frac{V}{R}e^{-tL/R}
i
(
t
)
=
R
V
e
−
t
L
/
R
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