Electric Current Quiz

What is the unit of electric current?

• Ohm

• Coulomb

• Volt

• Ampere

What is the definition of electric current?

• The resistance offered by a conductor

• The flow of electric charge through a wire

• The energy consumed by an electric device

• The potential difference across a conductor

What is the conventional current direction?

• Random direction

• From positive to negative

• No specific direction

• From negative to positive

How many coulombs constitute a current of one ampere in one second?

• 0.5 C

• 2 C

• 1 C

• 3 C

What type of materials are called conductors?

• Materials that are insulators

• Materials that only allow positive charges to flow

• Materials that develop electric currents when an electric field is applied

• Materials that do not allow electric flow

What is the order of electric currents during lightning?

• Tens of microamperes

• Tens of thousands of amperes

• Hundreds of milliamperes

• One ampere

What are free electrons in a conductor responsible for?

• Binding atoms together

• Constituting electric current

• Preventing electric flow

• Creating resistance

What is the relationship between electric current and time?

• I = t / q

• I = q + t

• I = q * t

• I = q / t