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Physics
Physics
Problem
State the correct expression for the magnitude of the force on a straight conductor of length
L
L
L
carrying current
I
I
I
placed in a uniform magnetic field
B
B
B
making an angle
θ
\theta
θ
with the conductor. a)
F
=
I
L
B
cos
θ
F = I L B \cos \theta
F
=
I
L
B
cos
θ
b)
F
=
I
L
B
F = I L B
F
=
I
L
B
c)
F
=
I
L
B
sin
θ
F = I L B \sin \theta
F
=
I
L
B
sin
θ
d)
F
=
2
I
L
B
sin
θ
F = 2 I L B \sin \theta
F
=
2
I
L
B
sin
θ
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