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Physics · PYQ NEET UG 2016(1)

हिन्दी

A long solenoid has 1000 turns. When a current of \( 4\text{ A} \) flows through it, the magnetic flux linked with each turn of the solenoid is \( 4 \times 10^{-3}\text{ Wb} \). The self-inductance of the solenoid is

  1. A
    \( 2\text{ H} \)
  2. B
    \( 1\text{ H} \)
  3. C
    \( 4\text{ H} \)
  4. D
    \( 3\text{ H} \)
View Answer & Solution

Correct answer · Option B

\( 1\text{ H} \)

Explanation

Total flux linkage \( N\Phi = L I \implies 1000 \times (4 \times 10^{-3}) = L \times 4 \implies 4 = 4L \implies L = 1\text{ H} \).
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