Current and Voltage

What is Current?

• A stream or flow of electrons in one direction.

• The difference in electrical pressure.

• Measures how the material reduces the flow of current.

• A path in which electrons flow.

Tags

NGSS.HS-PS2-5

What is Voltage?

• A stream or flow of electrons in one direction.

• The difference in electrical pressure.

• Measures how the material reduces the flow of current.

• A path in which electrons flow.

Voltage is measure in ________?

• Volts

• Ohms

• Amperes

Current is measure in ________?

• Volts

• Ohms

• Amperes

A flow of electrons through a conductor is called:

• A river

• A spark

• An electron flow

• A current

The ____________ is the energy that flows from the battery, through the wire in it’s path through the circuit.

• Electric Current

• Conductor

• Electromagnet

• Insulator

Tags

NGSS.MS-PS3-5

An electric current always flows in a closed path, or loop.

• True

• False

Electricity that flows constantly in one direction on a given path.

• current electricity

• static electricity

• electron pathway

• conductor

Find the current I through a resistor of resistance R = 9 Ω if the voltage across the resistor is 36 V.

• 75

• 13

• 20

• 4

A small light bulb is connected to a 52V battery and draws 4A of current. What is the resistance of the bulb?

• 75

• 13

• 20

• 4