PS-Chapter 7 Test Review (Electricity)

Individual batteries are examples of?

• wet cell
• dry cell
• lead-storage 

This has a small piece of wire that melts when it get too hot.

• fuse
• circuit breaker
• series circuit
• parallel circuit

Has a piece of metal in it the bends when it get too hot to prevent a fire.

• fuse
• circuit breaker
• resistance
• outlet

What do we call the tendency of a material to oppose the flow of electrons?

• ampere
• current
• opposition
• resistance

When no current flows in a circuit it is called an ________ circuit.

• series
• parallel
• closed
• open

A circuit that has two or more separate branches for current is called?

• circuit diagram
• parallel circuit
• series circuit
• electron circuit

Which of the following represents Ohm's law?

• current is equal to the voltage difference decided by the resistance.
• Voltage difference is equal to the current divided by the resistance
• resistance is current divided by voltage difference
• none of the above

How is static discharge different from an electric current?

• involves the movement of ions as well as electrons
• results because a force is exerted on electrons
• is a flow of electrons
• last for only a fraction of a second

What do we call electric charge that accumulates on an object?

• current electricity
• static electricity
• circuit electricity
• current circuit

What is resistance measured in?

• ohm
• ampere
• volt
• coulumb