An e.m.f. of 100,millivolts is induced in a c | vedclass

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Question

$	ext { induced emf } e=100 \mathrm{mV}$

$\qquad=100 	imes 10^{-3} \mathrm{V}=0.1 \mathrm{V}$

$e=m \frac{\Delta i}{\Delta t}$

$e=m \cdot\le

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$1$

Vedclass · Answer

$	ext { induced emf } e=100 \mathrm{mV}$

$\qquad=100 	imes 10^{-3} \mathrm{V}=0.1 \mathrm{V}$

$e=m \frac{\Delta i}{\Delta t}$

$e=m \cdot\left(\frac{i_{2}-i_{1}}{t_{2}-t_{1}}ight)$

$0.1=m\left(\frac{10-0}{0.1-0}ight)$

$m=\frac{0.1}{100}=10^{-3} H$

$m=1 m H$

An $e.m.f.$ of $100\,millivolts$ is induced in a coil when the current in another nearby coil becomes $10\, ampere$ from zero in $0.1\,second$ . The coefficient of mutual induction between the two coils will be.....$millihenry$

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