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Toroid

Magnetic fiel...

Question

Magnetic field outside a toroid is in non-ideal circumstances.

A

zero

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B

non zero

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C

not defined

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Solution

The correct option is B non zero
I know I have not told you about non-ideal circumstances. In an ideal toroid the coils are circular. But in reality the turns of the toroidal coil form a helix and there is always a small magnetic field external to the toroid

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Similar questions

Q. Show that in an ideal toroid the magnetic field outside the toroid at any point in the open space is zero.

Q. A toroid has a core (non-ferromagnetic) of inner radius 25 cm andouter radius 26 cm, around which 3500 turns of a wire are wound.If the current in the wire is 11 A, what is the magnetic field(a) outside the toroid, (b) inside the core of the toroid, and (c) in the empty space surrounded by the toroid.

Q. A toroid has a core (non-ferromagnetic material) of inner radius

25 cm

and outer radius

26 cm

3500

turns of wire are wound. If the current in the wire is

11 A

, what is the magnetic field outside the toroid ?

Q. Show that in an ideal toroid the magnetic field inside the toroid.

Q. A toroid has a core (non -ferromagnetic) of inner radius 25 cm and outer radius 26 cm, around which 3500 turns of a wire are wound. If the current in the wire is 11 A, what is the magnetic field (a) outside the toroid, (b) inside the core of the toroid, and (c) in the empty space surrounded by the toroid.

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