An \( L R \) circuit has \( L=1 \cdot 0 \mathrm{H} \) and \( R=20 \Omega \). It is connected acr... VIDEO
An \( L R \) circuit has \( L=1 \cdot 0 \mathrm{H} \) and \( R=20 \Omega \). It is connected across an emf of \( 2.0 \mathrm{~V} \) at \( t=0 \). Find \( d i / d t \) at (a) \( t=100 \) \( \mathrm{ms} \), (b) \( t=200 \mathrm{~ms} \) and (c) \( t=1.0 \mathrm{~s} \)
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