Basic Electrical Concepts Quiz

Which of the following is a measure of power?

• Ohm

• Joule

• Watt

• Ampere

What does a coulomb measure?

• Electric charge

• Electric current

• Voltage

• Resistance

What does the electron flow theory state about the direction of current flow?

• From positive to negative

• From negative to positive

• In a circular motion

• From the ground to the source

What is the estimated speed at which a single electron moves in a conductor at 1 ampere of current flow?

• 3 inches per hour

• 3 feet per hour

• 3 miles per hour

• 3 centimeters per hour

What is the unit of resistance in an electric circuit?

• Volt

• Ampere

• Ohm

• Watt

What is wattage a measure of in a circuit?

• The amount of voltage

• The amount of current

• The amount of power

• The amount of resistance

Tags

NGSS.HS-PS2-5

Who was the watt named in honor of?

• Albert Einstein

• James Watt

• Isaac Newton

• Nikola Tesla

How many foot-pounds per second are equivalent to one horsepower?

• 550 ft-lb/s

• 746 ft-lb/s

• 33,000 ft-lb/s

• 1,000 ft-lb/s

What is the relationship between current and voltage in a DC circuit according to Ohm's Law?

• Current is inversely proportional to voltage

• Current is directly proportional to voltage

• Current is equal to voltage

• Current is unrelated to voltage

Which unit is used to measure luminous intensity in the SI system?

• Candela

• Lumen

• Lux

• Radian