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A toroidal solenoid has 3000 turns and a...

A toroidal solenoid has `3000` turns and a mean radius of `10cm`. It has a soft iron core of relative magnetic permeability `2000`. Find the magnitude of the magnetic field in the core when a current of `1.0amp.` is passed through the solenoid.

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To find the magnitude of the magnetic field in the core of a toroidal solenoid, we can follow these steps: ### Step 1: Identify the given values - Number of turns (N) = 3000 - Mean radius (r) = 10 cm = 0.1 m - Relative magnetic permeability (μ_r) = 2000 - Current (I) = 1.0 A ...
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