Question

why dont the toroidial solenoid have poles? and explain how the magnitic field cause?

Answer 1

Solution:

a) Toroidal solenoid have poles:

A solenoid bent into the form of a closed ring is called a toroidal solenoid. And is build when you have wound conductor around circular body. Then the magnetic field is inside the core, and you don't have any poles because circular body don't have ends. This can be used where you want minimum flux leakage and don't need magnetic poles.

b)The magnetic field inside a toroidal solenoid:

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