Magnetism and Current-Carrying Wires
AP Physics 2 · Flashcards · Application
AP PHYSICS 2 · FLASHCARDS
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QUESTION
Find the magnetic field at the center of a loop with
5
A
5 \text{ A}
5
A
and radius
0.1
m
0.1 \text{ m}
0.1
m
.
QUESTION
Calculate the magnetic force on a
2
C
2 \text{ C}
2
C
charge moving at
3
m/s
3 \text{ m/s}
3
m/s
perpendicular to a
4
T
4 \text{ T}
4
T
field.
QUESTION
Calculate the force between two parallel wires
2
m
2 \text{ m}
2
m
apart carrying
4
A
4 \text{ A}
4
A
each.
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ANSWER
1.6
×
10
−
6
1.6 \times 10^{-6}
1.6
×
1
0
−
6
N. Use force formula with
d
=
2
m
d=2m
d
=
2
m
and
I
1
=
I
2
=
4
A
I_1=I_2=4A
I
1
=
I
2
=
4
A
.
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