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Physics
Physics
Problem
State the correct expression for the magnitude of the emf induced between the ends of a straight conductor of length
L
L
L
moving with uniform speed
v
v
v
perpendicular to a uniform magnetic field
B
B
B
. a)
B
v
L
\dfrac{Bv}{L}
L
B
v
b)
1
2
B
L
v
\dfrac{1}{2}\,BLv
2
1
B
Lv
c)
B
L
v
BLv
B
Lv
d)
B
L
v
\dfrac{BL}{v}
v
B
L
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