Electro Magnetic Induction And Alternating Currents Question 370

Question: A coil having an area 2m2 is placed in a magnetic field which changes from 1Wb/m2 to 4Wb/m2 in a interval of 2 second. The e.m.f. induced in the coil will be [DPMT 1999; MP PET 2002]

Options:

A) 4 V

B) 3 V

C) 1.5 V

D) 2 V

Show Answer

Answer:

Correct Answer: B

Solution:

|e|,=A.ΔBΔt=2×(41)2=3 V .



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