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Chapter 4: Q11DQ (page 947)

Magnetic field lines never have a beginning or an end. Use this to explain why it is reasonable for the field of an ideal toroidal solenoid to be confined entirely to its interior, while a straight solenoid must have some field outside.

Short Answer

Expert verified

The circular field have always two poles that why magnetic field lines have never beginning and ending.

Step by step solution

01

Definition of magnetic field

The term magnetic field may be defined as the area around the magnet behave like a magnet.

02

Explain why Magnetic field lines never have a beginning or an end.

In solenoid there is two magnetic poles but in toroid solenoid which formed loops and thus will have no poles. But this property not break in circular field. That鈥檚 whyMagnetic field lines never have a beginning or an end.

Hence, the circular field have always two poles that why magnetic field lines have never beginning and ending.

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