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KVPY SB SX Exam 2011 Question Paper
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© examsnet.com
Question : 98
Total: 120
A rectangular loop of wire shown below is coplanar with a long wire carrying current I.
The loop is pulled to the right as indicated. What are the directions of the induced current in the loop and the magnetic forces on the left and the right sides of the loop?
Induced Current
Force on left side
Force on right side
Counterclockwise
To the left
To the right
Induced Current
Force on left side
Force on right side
Clockwise
To the left
To the right
Induced Current
Force on left side
Force on right side
Clockwise
To the right
To the left
Induced Current
Force on left side
Force on right side
Clockwise
To the right
To the left
Validate
Solution:
Flux is inward and it is decreasing as
loop is going away from wire
∴ direction of induced current is clockwise
Force on left side is in left and force on right side is in right.
© examsnet.com
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