Electro Magnetic Induction And Alternating Currents Question 495

Question: A boat is moving due east in a region where the earth’s magnetic field is 5.0×105NA1,m1 due north and horizontal. The boat carries a vertical aerial 2 m long. If the speed of the boat is 1.50,ms1 , the magnitude of the induced emf in the wire of aerial is

Options:

A) 0.75 mV

B) 0.50 mV

C) 0.15 mV

D) 1 mV

Show Answer

Answer:

Correct Answer: C

Solution:

  • Induced emf=vBHl=1.5×5×105×2 =15×105=0.15,mV


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