Direct current (DC)

Direct current (DC)

Assessment

Interactive Video

Science, Engineering, Physics

6th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains the difference between direct current (DC) and alternating current (AC). DC flows in one direction and is supplied by cells and batteries, while AC continuously reverses direction and is supplied by mains electricity. Phone chargers convert AC to DC for storage in phone batteries.

Read more

5 questions

Show all answers

1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is an electric current that flows in one direction called?

Evaluate responses using AI:

OFF

2.

OPEN ENDED QUESTION

3 mins • 1 pt

How does a direct current flow in a circuit?

Evaluate responses using AI:

OFF

3.

OPEN ENDED QUESTION

3 mins • 1 pt

What type of current continuously reverses direction?

Evaluate responses using AI:

OFF

4.

OPEN ENDED QUESTION

3 mins • 1 pt

How do phone chargers convert electricity for use?

Evaluate responses using AI:

OFF

5.

OPEN ENDED QUESTION

3 mins • 1 pt

What can a direct current be stored by in a phone?

Evaluate responses using AI:

OFF

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?