JEE PHYSICS MCQ: ELECTRO MAGNETIC INDUCTION

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Application +4 | -1

\mathrm{50}

turns circular coil has a radius of

\mathrm{3}\,\mathrm{ cm}

, it is kept in a magnetic field acting normal to the area of the coil. The magnetic field

B

increased from

\mathrm{0}\mathrm{.10}

\mathrm{0}\mathrm{.35 T}

\mathrm{2}\,\,\mathrm{millisecond}

. The average induced emf in the coil is

View answer and explanation

Correct option: B

\mathrm{17}\mathrm{.7 }\,\mathrm{V}

Option B (

\mathrm{17}\mathrm{.7 }\,\mathrm{V}

) is correct because it is the average induced emf calculated using Faraday's law of electromagnetic induction.

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n

i=i_0 \sin \omega t

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\mathrm{60}

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