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AP EAMCET202523 May 2025Evening ShiftPhysicsMagnetic Effects of CurrentActual

A solenoid of one meter length and 3.55 cm inner diameter carries a current of 5 A. If the solenoid consists of five closely packed layers each with 700 turns along its length, then the magnetic field at its centre is

Options

  1. A22 mT
  2. B35 mT
  3. C44 mT
  4. D15 mT

Correct answer

A. 22 mT

Step-by-step solution

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