Electrical Power and Circuits

A material in which electrons are able to move easily is called

• Insulators

• Conductors

• Electromagnet

• Resistor

Which on the following is NOT an example of an insulator.

• Rubber

• Glass

• Carbon

• Wood

The flow of electric charges is 

• voltage
• current 
• resistance
• electricity 

A closed path that electric current flows is a

• circuit

• voltage

• current

• resistance

Which way do electrons flow?

• Positive to Negative
• Negative to Positive

Which way do current in the circuit flow?

• Positive terminal of the battery to negative terminal

• Negative terminal of the battery to positive terminal

What does a resistor do?

• Reduces the flow of resistance

• Reduce the flow of the current

• Increase flow of electrons

• Enhance the flow of the voltage

Where do electrons gain their energy from?

• Cell

• Wire

• Light bulb

• Switch

Which of the following is not a source of electricity 

• Windmills
• Batteries
• wires
• Hydroelectric dams

What is the unit of measurement for current

• Ohm

• Amperes

• Volts