Electric System

Which is not a component in an electric system?

• switch

• battery

• wire

• battery case

Look at the picture below.  Which part of the lamp system could be removed and the lamp still work?

• The lamp shade
• The electrical cord
• The light bulb
• The wall outlet

Electrical Energy is transferred to _____ Energy.

• Thermal
• Solar
• Electrical
• None

If you replace the paper clip with a plastic spoon, what happens?

• The bulb doesn't light
• The bulb is dimmer
• The wires get hot
• There is no change

Choose the corrrect sentence.

• This circuit will work because it is an open circuit
• This circuit will work because it is a closed circuit.
• This circuit will NOT work because it is an open circuit.
• This circuit will NOT work because it is a closed circuit.

What is the power source in this circuit?

• Lightbulb
• Switch
• Wires
• Battery

We need a _____ circuit for the light bulb to BE ON. 

• closed
• open

Would would best complete this circuit?

• A wire
• A switch
• A battery
• A light bulb

A student began building a circuit to light a bulb.  What else does the student need to produce light?

• a battery that has energy
• a wire that is insulated
• a switch that is open
• another bulb of the same size

If you replace the paper clip with a plastic spoon, what happens?

• The bulb doesn't light
• The bulb is dimmer
• The wires get hot
• There is no change