3. The current in coil A is decreas...
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3. The current in coil A is decreasing. Find the direction of induced current in coil B (clockwise or an c awise)

JEE/Engineering Exams
Physics
Solution
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(1) Is we know induced ( phi=-frac{d B i}{d t} ). As per lenzs law if current is decreasing it should increase the induced current . induced current will be abo in the same direction.
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