QJEEM11Ph452d: JEE Main 2011 Physics - Class 12 JEEM11Ph452d Solution: A boat is moving due east in a region where the earth's…

Question

Verified Solution • 2025–26 Session moderate

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

5.0 \times 10^{- 5}

N A^{- 1} m^{- 1}

due north and horizontal. The best carries a vertical aerial

2

m

long. If the speed of the boat is

1.50 m s^{- 1},

the magnitude of the induced

e m f

in the wire of aerial is :

Accepted Answer

Induced

e m f

= v B_{H} l = 1.5 \times 5 \times 10^{- 5} \times 2

= 15 \times 10^{- 5} = 0.15 m V

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