6_2_Review

What is the SI unit for measuring electric charge?

• A) Ampere

• D) Ohm

• B) Coulomb

• C) Volt

What is the unit of measurement for electric current?

• D) Coulomb

• B) Volt

• C) Ohm

• A) Ampere

What is the direction of electric current flow?

• D) In opposite directions

• A) From lower voltage to higher voltage

• B) From higher voltage to lower voltage

• C) In all directions

What is the purpose of a resistor in a circuit?

• B) Converts electrical energy to other forms of energy

• D) Protects delicate electronic components

• A) Increases current

• C) Decreases current

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

• A) Newton's Law

• B) Boyle's Law

• C) Ohm's Law

• D) Pascal's Law

What kind of current does household electrical outlets provide?

• C) Static Current

• A) Direct Current

• D) Variable Current

• B) Alternating Current

What is the purpose of an AC/DC adapter?

• A) Convert direct current to alternating current

• B) Convert alternating current to direct current

• D) Decrease resistance

• C) Increase voltage difference

What is the unit of measurement for resistance?

• B) Volt

• A) Ampere

• C) Ohm

• D) Coulomb

What happens to electrical energy when it moves through a material with resistance?

• D) It gets dissipated into the air

• B) It gets stored in the material

• A) It turns into thermal energy and light

• C) It gets converted to mechanical energy

What is the purpose of a wet cell battery?

• A) Convert electrical energy to other forms of energy

• B) Store electrical energy

• C) Provide a voltage difference in a circuit

• D) Transfer electrons between plates