Charge Current and Voltage

In solid conductors, electric current is the flow of

• positive and negative charges

• electrons

• negative ions

• protons

Define electric current.

• It is the work done by the source in driving charges around a complete circuit.

• It is a measure of the rate of flow of electric charge through a given cross-section of a conductor.

• It is the work done by the source in driving a unit charge around a complete circuit.

• It is a measure of the flow of electric charge through a given cross-section of a conductor.

The continuous flow of electric charges through a material

• electric current

• electric circuit

• voltage

• parallel circuit

current consisting of charges that move back and forth in a circuit

• alternating current

• direct current

• parallel current

• electric current

A form of energy caused by the movement of electrons

• electricity

• voltage

• electric current

• parallel circuit

The movement of electrically charged particles is 

• electric current

• electric circuit

• electric resistance

Metals such as copper and aluminum are good ______________. 

• insulators

• conductors

• circuits

• charges

Tags

NGSS.MS-PS2-5

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

• direct current

• alternating current

• simple current

An electric current flowing in one direction only

• voltage

• parallel current

• direct current

• electric current

This series circuit has a 12V cell. How many volts are measured across each individual resistor (assuming they are all the same)?

• 12V

• 6V

• 4V

• 3V