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Electromagnetic Induction question

2013 · Shift 0 · Q57

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JEE Main
Physics
Electromagnetic Induction
2013 · Shift 0 · Q57

Electromagnetic Induction question

2013 · Shift 0 · Q57

JEE MainPhysicsElectromagnetic InductionMCQ+4 / −1

A metallic rod of length

'\ell '

is tied to a string of length

2\ell

and made to rotate with angular speed

w

on a horizontal table with one end of the string fixed. If there is a vertical magnetic field

'B'

in the region, the

e.m.f

induced across the ends of the rod is JEE Main 2013 (Offline) Physics - Electromagnetic Induction Question 114 English

JEE Main 2013 (Offline) Physics - Electromagnetic Induction Question 114 English

A
${{2B\omega \ell } \over 2}$
B
${{3B\omega \ell } \over 2}$
C
${{4B\omega {\ell ^2}} \over 2}$
D
${{5B\omega {\ell ^2}} \over 2}$

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