Introduction to magnetism

A freely suspended magnet rests in the

• North - south direction

• East-west Direction

Which of these is NOT a property of magnets

• Freely suspended magnets rest in north-south direction

• A magnet can attract magnetic materials towards itself

• Magnets are black in colour

• Like poles repel and unlike poles attract

Magnetic force is strongest

• in middle of magnets

• at North pole

• at south pole

• at both poles

Which is these is NOT a magnetic material ?

• Iron

• Steel

• Cobalt

• Gold

• Nickel

The area around a magnet in which the pull of the magnetic force acts on magnetic materials is called the ____________-

As you take a pin further from a magnetic, the magnetic force on a pin ___________

• increases

• decreases

• does not change

Magnets are commonly made of an alloy named ALNICO. Which metals do you think it is made of ?

• Nickel and Cobalt

• Steel, nickel and Cobalt

• Aluminium, nickel and cobalt

• Nickel, cobalt and Iron