Magnetism Quiz !!!

What will the poles at new ends X and Y be?

• North, North

• North, South

• South, North

• South, South

Answer explanation

A magnet has two poles at its ends - North and South Pole.

Which material produces the strongest electromagnet?

• aluminium

• copper

• iron

• steel

What correctly describes the field produced in the region surrounding a solenoid that carries a current?

• a region where stationary electric charges experience a force

• a region where electric charges gain entry

• a region where magnetic poles experience a force

• a region where magnetic poles gain energy

When the magnet is moving in the direction shown, which poles are produced at X and Y?

• X - North

  Y - North

• X - North

  Y - South

• X - South

  Y - North

• X - South

  Y - South

Which material is used for temporary and permanent magnets and which material is non magnetic?

• copper

• Non magnetic

• steel

• Temporary magnet

• iron

• Permanent magnet

Which material is used for the needle of a plotting compass?

A current carrying solenoid is used to demagnetise a magnet.

What must be part of the procedure to demagnetise the magnet?

• alternating current (a.c.) is used

• direct current (d.c.) is used

• The magnet is inserted slowly into the solenoid

• The magnet is withdrawn quickly from the solenoid