Explain domain structure of ferromagnetic substance in the unmagnetised condition.

What are ferromagnetic substances?

What is a ferromagnetic substance?

Write two properties of ferromagnetic substances .

Explain the structure of stomach.

What is the change in domain structure, when ferromagnetic substance is placed in weak external magnetic field?

What are ferromagnetic substances? Give examples.

What are ferromagnetic substances? Give examples.

Explain the structure of nerve cell

Explain the structure of silica.

State the properties of ferromagnetic substances .