Chapter17

Question 0

Protons have a ——- charge

Answer 0

Positive

Question 1

The law of electric charges

Answer 1

Like charges repel/push away from each other. Opposite charges attract.

Question 2

Neutrons have a ——— charge.

Answer 2

Neutral

Question 3

Electrons have a ———– charge.

Answer 3

Negative

Question 4

What is electronic force?

Answer 4

The force of attraction or repulsion on a charged practical due to an electric field

Question 5

What is the electric field?

Answer 5

The space around a charged object in which another charged object experiences an electric force

Question 6

Electrical conductor

Answer 6

Material in which charges can move freely

Question 7

Electrical insulator

Answer 7

Material in which charges cannot move freely

Question 8

Static electricity is an electrical charge at ……

Answer 8

Rest

Question 9

Electric discharge

Answer 9

The release of electricity stored in a source

Question 10

Electric current is the rate at which…..

Answer 10

Charges pass a given point… Measured in amperes

Question 11

The potential difference between two points is referred to as….

Answer 11

Voltage

Question 12

Resistance is the opposition to…..

Answer 12

The flow of electric charge… It is measured by ohms

Question 13

Thermocouple

Answer 13

A device that converts thermal energy to electric energy

Question 14

The Photocell is a device that converts….

Answer 14

Light energy into electrical energy

Question 15

Electric power

Answer 15

The rate at which electrical energy is changed into other types of energy