PS Unit 9 Electricity

What is the resistor in this diagram? 

• A
• B
• C 
• D

What is the power source in this diagram? 

• A
• B
• C 
• D

What is the switch in this diagram? 

• A
• B
• C 
• D

Is the switch closed or open in this diagram?

• open
• closed 

The negatively charged particles in an atom are called _____.

• electrons
• neutrons
• negatrons
• protons

A(n) _____ is a closed loop of conductors through which charges flow.

• current
• circuit
• resistor
• ampere

_____ is the tendency for a material to oppose the flow of electrons.

• Resistance
• Induction
• Transistance
• Conduction

In which type of circuit are there two or more branches for charge to move through?

• parallel
• series
• open
• uniform

In which type of circuit does charge have only one loop to flow through?

• parallel
• series
• open
• uniform

What does a resistor do? 

• Reduces the flow of electrons
• Reduce the flow of the current
• Increase flow of electrons
• Decreases the flow of electrons