Solving time: 4 mins
A rectangular wire loop of sides 8 cm and 2 cm with a small cut is moving out of a region of uniform magnetic field of magnitude 0.3 T directed normal to the loop. What is the emf developed across the cut if the velocity of the loop is in a direction normal to the (a) longer side, (b) shorter side of the loop? For how long does the induced voltage last in each case?
Text solutionVerified
Length of the rectangular wire,
Width of the rectangular wire,
Hence, area of the rectangular loop,
Magnetic field strength,
Velocity of the loop,
(a)
Emf developed in the loop is given as:
Time taken to travel along the width,
Hence, the induced voltage is which lasts for 2 s.
(b)
Emf developed,
Time taken to travel along the length,
Hence, the induced voltage is which lasts for 8 s.
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Question Text | A rectangular wire loop of sides 8 cm and 2 cm with a small cut is moving out of a region of uniform magnetic field of magnitude 0.3 T directed normal to the loop. What is the emf developed across the cut if the velocity of the loop is in a direction normal to the (a) longer side, (b) shorter side of the loop? For how long does the induced voltage last in each case? |
Updated On | Jan 16, 2024 |
Topic | Electromagnetic Induction |
Subject | Physics |
Class | Class 12 |
Answer Type | Text solution:1 Video solution: 7 |
Upvotes | 740 |
Avg. Video Duration | 4 min |