Electricity Quiz Review

What materials are needed to produce an electrical current?

• bulb and wire

• wire only

• bulb, battery and wire

• battery only

What purpose does the rubbery coating on electrical wires serve?

• It is an insulating material that shields the conductor inside.

• It is a colorful material that adds stability to the wire.

• It is important for conducting the electricity to the appliance.

• It is important for conserving electricity

Using the table "Two Cases", which of the following headings could fit in the table boxes 1 and 2?

• 1-insulators, 2-lightning

• 1-closed circuit, 2-lightning

• 1-closed circuit, 2-open circuit

• 1-open circuit, 2-closed circuit

In a circuit diagram, what does this symbol represent?

• battery

• bulb

• switch

• wire

Some hybrid cars run only on a battery. These cars are an example of electrical energy being transformed into —

• sound energy

• heat energy

• mechanical energy

• light energy

Electromagnetism can be described as ―

• the flow of electrical currents.

• space around an object in which electric forces occur.

• a temporary magnet produced from the arrangement of wire wrapped around a core.

• the property of matter that compares the amount of matter to the space it takes within a confined area.

Which of the following is NOT a conductor?

• eraser

• nail

• penny

• wire hanger

If a light switch is positioned so the lights are on, the circuit is—

• opened

• closed

This fan has turned electrical energy into—

• thermal energy

• mechanical energy

• renewable energy

• radiant energy

What type of energy can be transformed into heat, light, or mechanical energy?

• Kinetic

• Potential

• Renewable

• Electrical