Direct Current and Alternating Current

Current is...

• moving protons

• moving electrons

• measured in volts

• measured in ohms

2. current is measured in....

• volts

• amps

• watts

• mph

3. The two types of current are...

• Alternating Current

• Direct Current

• Floating current

• Fluctuating current

The electricity in our house is

• AC

• AD

• BC

• DC

An electric current that continually reverses direction over time is known as a(n)

• fluctuating current

• direct current

• alternating current

• simple current

An electric current flowing in one direction only

• fluctuating current

• direct current

• alternating current

• simple current

Electric currents passing through wires will produce a(n)

• insulator

• magnet

• magnetic field

• solenoid

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

A device that uses an electromagnet to measure electric current is a(n) ____.

• generator

• commutator

• electric motor

• galvanometer

Tags

NGSS.HS-PS2-5

A dry-cell battery produces ____.

• a direct current

• an alternating current

• both direct and alternating current

• the same current that a generator produces

Devices that used direct current

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