Q108 / 150 · MHT CET 2024 (16 May Shift 1) · Physics

The magnetic induction along the axis of a toroidal solenoid is independent of

  • A
    number of turns per unit length.
  • B
    current passing through it.
  • Correct answer
    C
    radius of the toroidal solenoid.
  • D
    permeability

Solution

Magnetic induction along the axis of toroidal solenoid is given by $B=\mu_0 n I \quad n=\frac{N}{2 \pi r}$ $\mu_0=$ permeability $\mathrm{n}=$ Number of turns per unit length $\mathrm{I}=$ Current passing through it Hence magnetic induction does not depend on radius of toroidal solenoid.

Hence, the correct answer is option: 'C'.

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