Physics- Grade 9 electricity

Electricity

The set of physical phenomena associated with the presence and motion of matter that has a property of electric charge.

Parallel circuit

A circuit that has more than one pathway for electrons to follow.

Series circuit

A circuit that has a single pathway for electrons to follow.

Electric charge

The ability of electric charge to move, which is essential for the utility of electrical energy.

Static electricity

The buildup of positive or negative charge on materials.

Current electricity

The energy of steadily moving electric charge, used by electric devices such as lamps and computers.

Circuit

A pathway for electrons to follow, allowing the flow of electric current.

Resistance

A measure of how much an object opposes the flow of electric current.

Equation of voltage is?

V= e/q

Equation of current is?

I= q/t