Electric Charge and Current

Front

What happens to current if voltage stays the same and resistance is increased?

Back

Current will decrease.

Front

What is the formula to calculate voltage in a circuit?

Back

Voltage = Current x Resistance.

Front

What is the unit of electric current?

Back

Ampere (A).

Front

What is the definition of electric current?

Back

The continuous flow of electric charges through a material.

Front

What type of current continually reverses direction?

Back

Alternating current (AC).

Front

What is the formula to calculate resistance?

Back

Resistance = Voltage ÷ Current.

Front

What is the unit of voltage?

Back

Volt (V).

Front

If a circuit has a resistance of 5 Ω and a current of 2 A, what is the voltage?

Back

10 V.

Front

What is the relationship between voltage, current, and resistance known as?

Back

Ohm's Law.

Front

What is direct current (DC)?

Back

An electric current that flows in one direction only.