Electricity

Front

What is the flow/movement of electric charges called?

Back

Current

Front

What is a closed path that electric current follows?

Back

Circuit

Front

What type of electric current flows in only one direction?

Back

Direct Current

Front

What is a material in which electrons are not able to move easily?

Back

Insulator

Front

What symbol is used to express electric current?

Back

I

Front

What is the measure of the opposition to the flow of electric current?

Back

Resistance

Front

What is the unit of electric current?

Back

Ampere (A)

Front

What is the potential difference between two points in a circuit called?

Back

Voltage

Front

What type of current alternates direction periodically?

Back

Alternating Current

Front

What is the relationship between voltage, current, and resistance in a circuit?

Back

Ohm's Law (V = I × R)