C13 Electrical System

C13 Electrical System

Learning Objectives

Recap terms in electrical system

- electric current

- potential difference (voltage)

- resistance

- How to draw and interpret an electrical circuit?

Adapt to change (Skill for your future)

Multiple Choice

What does it mean by electric current?

• amount of energy needed to move one unit of electric charge from one point to another.

• ratio of the potential difference across it to the current flowing through it

• rate of flow of electric charge

Multiple Choice

What is the S.I. unit of current?

• amperes (A)

• ohm (Ω)

• voltage (V)

Multiple Choice

How do we measure current?

• ammeter

• voltmeter

Multiple Choice

What does it mean by potential difference (voltage)?

• amount of energy needed to move one unit of electric charge from one point to another.

• ratio of the potential difference across it to the current flowing through it

• rate of flow of electric charge

Multiple Choice

What is the S.I. unit of potential difference?

• amperes (A)

• ohm (Ω)

• voltage (V)

Multiple Choice

How do we measure potential difference?

• ammeter

• voltmeter

Multiple Choice

What does it mean by resistance?

• amount of energy needed to move one unit of electric charge from one point to another.

• ratio of the potential difference across it to the current flowing through it

• rate of flow of electric charge

Multiple Choice

What is the S.I. unit of resistance?

• amperes (A)

• ohm (Ω)

• voltage (V)