PHYSICS SA2 REVISION

Which is the positive terminal of a cell?

• Metal cap

• Metal disc

What are 'A' and 'B'?

• (A is north pole) and (B is south pole)

• (A is south pole) and (B is north pole)

• (A is terminal) and (B is filament)

• (A is filament) and (B is terminal)

A device used to open or close a circuit is called......................

• Switch

• Electrical Switch

• Terminal

• Poles

The man who found the magnets was named............... . He lived in................. .

• Magnes,Russia

• Magnes,Ancient Greece

• Megnet,Ancient Greece

• Manson, Kuwait

Materials which aren't attracted by magnts a called............. .

• Magnetic

• Non magnetic

How many poles are there in a RING MAGNET?

• 1

• Infinite

• 3

• 2

How many keepers are used for keeping a bar magnet?

• 4

• 3

• 2

• 1

Why is a pencil sharpener attracted to magnet?

• It has blade made of iron

• Plastic is magnetic

• Because I told the sharpener to do so

In olden days , the sailors used to find directions by suspending.................. .

• Bar magnet

• Magnetite

• Ring made of gold

• Digital compass

N-N = a

N-b = Attraction

S-N = c

d-S = Repulsion

• A=Repulsion

  B=S

  C=Repulsion

  D=S

• A=S

  B=Repulsion

  C=N

  D=Attraction

• A=N

  B=N

  C=Attraction

  D=Repulsion

• A=S

  B=Attraction

  C=Repulsion

  D=N