JEE · NEET Previous Year Question

A uniform magnetic field exists in a direction perpendicular to the plane of a square loop made of a metal wire. The wire has a diameter of and a total length of . The magnetic field changes with time at a steady rate . The induced current in the loop is close to (Resistivity of the metal wire is

Topic: JEE PYQ

Answer: B. Full step-by-step solution below.

  1. A
  2. B
  3. C
  4. D

Correct answer: B

Solution

(b) JEE Main 2020
Area of loop

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