Magnetism and Moving Charges
AP Physics C Electricity and Magnetism · Flashcards · Recall
AP PHYSICS C ELECTRICITY AND MAGNETISM · FLASHCARDS
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QUESTION
What causes the magnetic force between two parallel wires?
QUESTION
State the formula for the magnetic force on a current-carrying wire.
QUESTION
State the formula for the magnetic field inside a toroid.
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ANSWER
B
=
μ
0
N
I
2
π
r
B = \frac{\mu_0 N I}{2 \pi r}
B
=
2
π
r
μ
0
N
I
. Field inside toroidal coil depends on total turns and radius.
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