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AC vs DC

Authored by Lisa Thompson

Science

9th Grade

NGSS covered

AC vs DC
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Diagram shows the flow of

Alternating Current

Direct Current

Floating current

Fluctuating current

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Diagram shows the flow of

Alternating Current

Direct Current

Floating current

Fluctuating current

Tags

NGSS.HS-PS2-5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Alternating current is an electric current that ( )

flows in on direction only

flows in unknown directions

flows in constantly reversing direction

flows in specific direction depend on the type of circuit

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which of the following is not the function of Cathode Ray Oscilloscope (C.R.O.)?

Show differences in shape of graph for DC and AC

Show the direction of current for DC and AC

Show the resistant for DC and AC

Show the voltage change for DC and AC

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Transformer is a device for changing the voltage of ( )

Alternating current (AC)

Direct current (DC)

Direct and alternating current (DC & AC)

Non of above

Tags

NGSS.HS-PS2-5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Current that reverses direction in a regular pattern is called ____.

direct current 

circuit current

magnetic current

alternating current 

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What type of current is used in household power supplies?

Alternating Current (AC)

Direct Current (DC)

Magnetic Current

Static Current

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