Electro Magnetic Induction And Alternating Currents Question 374

Question: The magnetic field in a coil of 100 turns and 40 square cm area is increased from 1 Tesla to 6 Tesla in 2 second. The magnetic field is perpendicular to the coil. The e.m.f. generated in it is [MP PMT 1994]

Options:

A) 104,V

B) 1.2 V

C) 1.0 V

D) 102,V

Show Answer

Answer:

Correct Answer: C

Solution:

e=N(ΔBΔt).Acosθ =100×(61)2×(40×104)cos0
,|e|,=1 V



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