Grade 9 Natural Sciences Term 3

Kinetic energy is the form of electrical energy.

• True

• False

Current is measured in____

• Volts

• Resistance

• Ampere

• Ammeter

Magnets attract____

• Iron

• nickel

• cobalt

• All of the above

How many different ways are there to protect circuits?

• 6

• 2

• 4

(a)   is measured in newton.

1 000W is equal to

• 1kW

• 10kW

• 100kW

• 1 000kW

A fuse does not have to be replaced.

• True

• False

How are cells connected in parallel?

• Negative and positive poles are connected to the same end.

• They are not connected in a certain way.

• All negative poles are connected to one end and all positive poles to the other end.

Metals like copper, gold and silver have high resistance.

• True

• False

The unit for resistance.

(a)