A boat is moving due east in a region where the earth's magnetic field is

Question:

A boat is moving due east in a region where the earth's magnetic field is $5.0 \times 10^{-5} \mathrm{NA}^{-1} \mathrm{~m}^{-1}$ due north and horizontal. The boat carries a vertical aerial $2 \mathrm{~m}$ long. If the speed of the boat is $1.50 \mathrm{~ms}^{-1}$, the magnitude of the indueced emf in the wire of aerial is :-

  1.  $0.50 \mathrm{mV}$

  2.  $0.15 \mathrm{mV}$

  3.  $1 \mathrm{mV}$

  4. $0.75 \mathrm{mV}$


Correct Option: , 2

Solution:

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