Physics · 2009
NEET 2009 · Prelims · Code A · Q29
A conducting circular loop is placed in a uniform magnetic field 0.04 T with its plane perpendicular to the magnetic field. The radius of the loop…
A conducting circular loop is placed in a uniform magnetic field $\displaystyle 0.04$ T with its plane perpendicular to the magnetic field. The radius of the loop starts shrinking at $\displaystyle 2$ mm/s. The induced emf in the loop when the radius is $\displaystyle 2$ cm is :
Official answer
(2)
$\displaystyle 3.2 \pi \mu V$
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