Is pole strength and magnetic moment same?

Pole strength of a magnet is defined as the strength with which the materials get attracted towards the magnet. The magnetic moment is the product of the pole strength and the length of the magnet. It is represented by the letter L.

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Also, what is the reason for earth magnetism?

What Causes Earth's Magnetism? Earth's Magnetism is generated by convection currents of molten iron and nickel in the earth's core. These currents carry streams of charged particles and generate magnetic fields. Why is the magnetic field outside a toroid zero? After applying Ampere's Law, we see that the magnetic field at any point outside the toroid is zero because the net electric current is zero.

One may also ask how can you increase the magnetic field inside a toroid?

adding more loops per metre. Thereof, does toroid have magnetic moment? Answer: (c)In case of a toroid, the magnetic field is only confined inside the body of toroid in the form of concentric magnetic lines of force and there is no magnetic field outside the body of toroid. Thus the magnetic moment of toroid is zero.

What are toroidal transformers used for?

Toroidal transformers provide increased design flexibility, efficiency, and compactness when compared to traditional shell and core type transformers. They are an ideal solution for low-KVA (up to 15 KVA) rated devices and equipment used in medical, industrial, renewable energy, and audio applications. Is the value of mu not?