Circuits in most homes are this type

Which colour screw does a black wire attach to in an outlet?

What is the purpose of the bare wire?

Which type of energy source is renewable?

Which type of energy generation can produce huge amounts of energy from tiny pellets?

A flashlight is an example of this type of current.

Builders put windows on this side of the houses in Canada to use the sun to help heat them.

Electrical efficiciency is....

Which is true in order for electricity to travel around a circuit?

If an appliance uses 300kWh per year how much would it cost to run for 1 year at $0.25/kWh?

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