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Question 4: NCERT Solutions for 12th Class Physics: Chapter 6-Electromagnetic Induction
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 f e.m.f developed across the cut if velocity of loop is 1 cm s-1 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?
Solution:
Here A = 2 × 2 = 16 cm2 = 16 × 10 m2, B = 0.3 T
Check the complete chapter with solutions.
NCERT Solutions for 12th Class Physics: Chapter 6-Electromagnetic Induction