A 0.21 m long conductive cylinder is moved perpendicularly across a 13 T magneti

Question

A 0.21 m long conductive cylinder is moved perpendicularly across a 13 T magnetic field at 5 m/s. What is the magnitude of the induced emfin the conductor? emf For each situation below, what is the direction if the induced emf, i.e., which end of the conductor is positive? 00 0 0 0 OO O moving to the top of the page across a magnetic field that is out of the plane of the page The Select an answerend is positive o o0 0 0 o oo The Select an answerend is positive movin g to the bottom of the page across a 00 09 0 O O O magnetic field that is out of the plane of the page oo oo o O o ooO The Select an answer end moving to the left across a magnetic field that is out of the plane of the page o o o ooo iS positive

Explanation / Answer

Given,

l = 0.21 m ; B = 13 T ; v = 5 m/s

We know that

emf = v B l sin(theta)

for theta = 90 deg

emf = v B l = 5 x 13 x 0.21 = 13.65 V

Hence, emf = 13.65 V

Right ; Left ; top

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