GK Question

science medium mcq

Which law states that induced EMF opposes the change causing it?

  1. Faraday's Law
  2. Lenz's Law
  3. Ampere's Law
  4. Gauss's Law

Answer: Lenz's Law

Lenz's Law: direction of induced current opposes flux change (conservation of energy). Faraday's Law gives magnitude. Together they describe electromagnetic induction. [[NCERT Physics Class 12]]

Topic Physics - Electromagnetism
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