In ${\rm{0}}{\rm{.1 s}}$, the current in a coil increases from ${\rm{1}}\,{\rm{A}}$ to ${\rm{1.5}}\,{\rm{A}}$. If inductance of coil is ${\rm{60}}\,\,{\rm{mH}}$, then induced current in external resistance of $3\,{\rm{\Omega }}$ will be

JEE PHYSICS MCQ: ELECTRO MAGNETIC INDUCTION

1 Medium

1 of 1

Application +4 | -1

\mathrm{0}\mathrm{.1 s}

, the current in a coil increases from

\mathrm{1}\,\mathrm{A}

\mathrm{1.5}\,\mathrm{A}

. If inductance of coil is

\mathrm{60}\,\,\mathrm{mH}

, then induced current in external resistance of

3\,\mathrm{\Omega }

will be

View answer and explanation

Correct option: D

\mathrm{0}\mathrm{.1}\,\mathrm{ A}

Option D (

\mathrm{0}\mathrm{.1}\,\mathrm{ A}

) is correct because it is the induced current calculated using the induced emf and the external resistance.

Practice All Chapter MCQs →

R

n

i=i_0 \sin \omega t

N

4 \mathrm{sec}

0.1\,\,{m^2}

\mathrm{60}

\mathrm{0}\mathrm{.4}\,\,\mathrm{T}

\mathrm{100}

\mathrm{50}\,\,\mathrm{mH}

\mathrm{2 A}