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State the condition at which we say the two coils kept close to each other are perfectly coupled with each other. - Physics

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प्रश्न

State the condition at which we say the two coils kept close to each other are perfectly coupled with each other. 

एका वाक्यात उत्तर

उत्तर

When the coefficient of coupling (K) is 1, then the two coils kept close to each other are said to be perfectly coupled with each other. 

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पाठ 12: Electromagnetic Induction - Very Short Answer

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संबंधित प्रश्‍न

A solenoid of length 1.5 m and 4 cm in diameter possesses 10 turns per metre. A current of 5 A is flowing through it. The magnetic induction at a point inside the solenoid along the axis is ............................. .

0 = 4π × 10-7 Wb/Am)

  1. π  × 10-5 T
  2. 2π × 10-5 T
  3. 3π × 10-5 T
  4. 4π × 10-5 T

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