NEET 2026 Physics question
A rectangular wire loop of sides 8 cm and 3 cm with a small cut, is moving out of a region of uniform magnetic field of magnitude 0.3 T directed normal to the plane of the loop. The emf developed across the cut, if the velocity of the loop is 2 cm s, in a direction normal to the shorter side of the loop, will be :
Answer: (4)
Solution
The loop moves along the direction normal to its shorter (3 cm) side, so the leading/trailing side that cuts flux is the shorter side of length cm. Motional emf across the cut (the loop is open, so the emf appears across
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