Electricity Quiz

Batteries and power plants are examples of ______________. 

• energy sources
• energy conduction
• energy transformation

Which of the following does not determine the resistance of a wire?

• temperature
• color
• length
• diameter

The path of current in a circuit is always completed by _________________.

• a transformer
• an electrical device
• conducting wires

When more branches are added to a parallel circuit, ____________________.

• resistance decreases
• voltage increases
• nothing changes

_________________ found that current, voltage, and resistance are always related and formed Ohms Law.

• Isaac Newton
• Albert Einstein
• Georg Ohm

Potential energy can be converted into _________________.

• food & waste
• water & light
• light & heat
• heat & food

All electrical devices contain electric ________________.

• acid
• gears
• circuits
• motors

The unit for the rate of current is the ______________.

• ampere
• volt
• ohm
• joule

______________ are materials such as rubber that do not allow charges to flow. Therefore, electrons are not able to move about freely.

• conductors
• circuits
• insulators
• amps

Resistance in a circuit is equal to voltage divided by ____________.

• joules
• current
• power 
• amperage