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  4. A wire of length 1 m moving with velocity 8 m / s at right angles to a magnetic field of 2 T. The magnitude of induced emf, between the ends of wire will be

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Q. A wire of length $1 m$ moving with velocity $8 \,m / s$ at right angles to a magnetic field of $2\, T$. The magnitude of induced emf, between the ends of wire will be ______

JEE MainJEE Main 2023Electromagnetic Induction

Solution:

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Induced emf across the ends $= Bv \ell$
$=2 \times 8 \times 1=16 V$