DILIGENT SUMMATIVE

Which of the following materials is magnetic?

• PLASTIC

• GLASS

• IRON

• RUBBER

What do we call the region around a magnet where magnetic forces act?

• ELECTRIC FIELD

• MAGNETIC FIELD

• GRAVITATIONAL FIELD

• ENERGY ZONE

The ends of a magnet are called:

• POLES

• CHARGES

• CURRENTS

• DOMAINS

When like poles of magnets are brought together, they:

• ATTRACT

• REPEL

Magnetic field lines always flow from:

• NORTH TO SOUTH

• SOUTH TO NORTH

When like poles of magnets are brought together, they:

• ATTRACT

• REPEL

What happens when electric current passes through a coil of wire?

• It becomes hot

• It becomes an electromagnet

• It stops flowing

• It loses energy

Which part of a DC motor rotates when electricity flows?

• Field Magnet

• Armature

• Commutator

• Battery

The magnetic domains of an unmagnetized object are:

• Aligned in one direction

• Randomly arranged

• Strongly Connected

What type of energy transformation occurs in an electric motor?

• Electrical to Mechanical

• Mechanical to Electrical