When a wire of length 3cm is moved with a velocity of 2m/s perpendicularly in a magnetic field of strength 10 tesla then the e.m.f induced is
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It is B × l × v × sin(theta)
where B is magnetic flux density or magnetic induction, l is length of conductor, v is velocity, theta is angle between mangetic induction and velocity.
when a conductor of length l moves with velocity v throgh magnetic induction B at angle theta, induced emf in conductor is given by formula as stated at very begining.
As said in question length of conductor is 2 meter, theta is 90 degree, manetic induction B is 3 weber/ m^2, velocity is 40 meter/sec.
putting values in formula,
3 × 2 × 40 × sin (90) = 240 volts.
Explanation:
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