Magnetic Field due to a Toroidal Solenoid

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Magnetic Field due to a toroidal Solenoid

A solenoid bent into the form of a closed ring is called a toroidal solenoid.

Note: The magnetic field exists only in the tubular area bound by the coil and it does not exist in the area inside and outside the toroid.

i.e. B is zero at O and Q and non-zero at P.

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