Question:
A straight conductor is moved in a magnetic field in a direction parallel to the field. How much emf is induced between the end of the conductor
Answer:
The emf induced in a straight conductor of length l moving with velocity v in the magnetic field B, when the velocity vector v makes an angle θ with the direction of the magnetic field is -
ε= Blv sin θ
According to question, the magnetic field is parallel to motion of conductor.
So, θ= 0o
and, sin0 = 0
So, induced emf, ε= 0
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