Electricity

Charged particles that flow continuously through material is called

• protons
• current
• resistance
• Voltage

What is the unit of electric current?

• Volts
• Amperes
• Ohms
• Watts

A complete, unbroken path that charges can flow through is called

• Electric Current
• Electric Circuit
• Closed System
• Electric Resistor

Which of the following materials is a good conductor of electricity?

• Rubber
• Wood
• Copper
• Glass

______ is the difference in electric potential energy per charge between 2 points in a circuit.

• Current
• Resistance
• Voltage
• Circuit

What happens to the resistance in a circuit if the length of the wire increases?

• Resistance decreases
• Resistance stays the same
• Resistance increases
• Resistance becomes zero

Which of the following best describes an insulator?

• A material that allows electricity to flow easily
• A material that resists the flow of electricity
• A device that stores electricity
• A type of circuit

An object through which electrons can easily flow is called a(n) ___________.

• Conductor
• Insulator
• Resistor
• Fuse

What is the effect of increasing voltage in a circuit with constant resistance?

• Current decreases
• Current increases
• Current stays the same
• Resistance decreases

If the voltage stays the same, but the resistance goes up, the current will....

• increase (speed up)
• stay the same
• decrease (slow down)