A rectangular loop of length `'l'` and breadth `'b'` is placed at a distance of `x` from an infinitely long wire carrying current `'i'` such that the direction of current is parallel to breadth. If the loop moves away from the current wire in a direction perpendicular to it with a velocity `'v'`, the magnitude of the e.m.f. in the loop is: (`mu_(0)=` permeability of free space)

Explanation

To solve the problem, we need to find the induced electromotive force (e.m.f.) in a rectangular loop that is moving away from an infinitely long wire carrying current. The steps to derive the expression for the induced e.m.f. are as follows:

### Step-by-Step Solution:

1. **Understand the Setup**:
- We have a rectangular loop with length \( l \) and breadth \( b \).
- The loop is placed at a distance \( x \) from an infinitely long wire carrying current \( i \).
- The loop moves away from the wire with a velocity \( v \) in a direction perpendicular to the wire.
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