Intro To Electric Circuits, Part 2

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Question 1: Do batteries have a positive AND a negative terminal?

• No

• Yes

Answer explanation

Yes. The '+' means positive, the '-' means negative.

In conventional circuit flow, is flow from the positive terminal to the negative terminal of a battery?

• No

• Yes

Answer explanation

Yes. In conventional flow, the flow is from the positive to the negative terminal.

In conventional current flow, is the flow always clockwise?

• No

• Yes

Answer explanation

No. The flow goes from the positive to negative battery terminal. That might or might not be clockwise (clockwise direction makes no difference).

Will a motor’s spin go in reverse if the electrical flow to it is reversed?

• No

• Yes

Answer explanation

Yes. This is one of the reasons why we know battery electricity has a flow direction.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

In a circuit diagram, are both sides of the battery labeled with a '+' sign?

• No

• Yes

Answer explanation

No. Only one side has a ‘+’ sign, just like on a real battery.

xIn a series circuit with two lightbulbs, if one lightbulb goes out, will the other one always go out too?

• No

• Yes

Answer explanation

Yes. It's all-or-nothing with series circuits.

In a parallel circuit with two lightbulbs that are parallel to each other, if one lightbulb goes out, will the other one always go out too?

• No

• Yes

Answer explanation

No. This is one of the advantages compared with a series circuit.

Are electric circuits common in vehicles?

• No

• Yes

Answer explanation

Yes. They are used for many critical functions in vehicles, devices and appliances.