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Physics
Physics
Problem
Which one of the following expressions gives the magnitude of the magnetic force on a straight conductor of length
L
L
L
carrying a current
I
I
I
in a uniform magnetic field
B
B
B
, making an angle
θ
\theta
θ
with the field? a)
F
=
I
L
B
F = I L B
F
=
I
L
B
b)
F
=
I
L
B
sin
θ
F = I L B \sin\theta
F
=
I
L
B
sin
θ
c)
F
=
I
L
B
cos
θ
F = I L B \cos\theta
F
=
I
L
B
cos
θ
d)
F
=
I
B
sin
θ
F = I B \sin\theta
F
=
I
B
sin
θ
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