Electric Potential Energy
AP Physics C Electricity and Magnetism · Flashcards · Application
AP PHYSICS C ELECTRICITY AND MAGNETISM · FLASHCARDS
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QUESTION
Find
U
U
U
if
q
=
1
C
q = 1\,C
q
=
1
C
,
E
=
10
N
/
C
E = 10\,N/C
E
=
10
N
/
C
,
d
=
2
m
d = 2\,m
d
=
2
m
.
QUESTION
Calculate electric potential energy for
q
1
=
2
C
q_1 = 2\,C
q
1
=
2
C
,
q
2
=
−
3
C
q_2 = -3\,C
q
2
=
−
3
C
,
r
=
1
m
r = 1\,m
r
=
1
m
.
QUESTION
What is electric potential energy if
q
=
5
C
q = 5\,C
q
=
5
C
,
V
=
0
V
V = 0\,V
V
=
0
V
?
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ANSWER
U
=
0
J
U = 0\,J
U
=
0
J
. Using
U
=
q
V
=
(
5
)
(
0
)
=
0
J
U = qV = (5)(0) = 0\,J
U
=
q
V
=
(
5
)
(
0
)
=
0
J
.
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