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Electromagnetic Induction question

2024 · 31 Jan · Shift 1 · Q73
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  5. /2024 · 31 Jan · Shift 1 · Q73

Electromagnetic Induction question

2024 · 31 Jan · Shift 1 · Q73

JEE MainPhysicsElectromagnetic InductionMCQ+4 / −1
A coil is places perpendicular to a magnetic field of 5000 T5000 \mathrm{~T}5000 T. When the field is changed to 3000 T3000 \mathrm{~T}3000 T in 2 s2 \mathrm{~s}2 s, an induced emf of 22 V22 \mathrm{~V}22 V is produced in the coil. If the diameter of the coil is 0.02 m0.02 \mathrm{~m}0.02 m, then the number of turns in the coil is:
  1. A
    35
  2. B
    70
  3. C
    7
  4. D
    140
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