Electro

What is the potential difference between two points in a circuit if 1 coulomb of charge does 1 joule of work moving between those points?

• 1 Volt

• 1 Ampere

• 1 Ohm

• 1 Watt

What is the unit of electric charge?

• Ampere

• Coulomb

• Ohm

• Volt

Which of the following is the correct definition of electric current?

• The rate of flow of electric charge

• The resistance to the flow of electric charge

• The potential difference across a component

• The amount of charge stored in a component

If a current of 2 amperes flows through a wire, how many coulombs of charge pass through any section of the wire in one second?

• 0.5 Coulombs

• 1 Coulomb

• 2 Coulombs

• 4 Coulombs

What is the SI unit for voltage?

• Coulomb

• Watt

• Volt

• Ohm

Which law states that the current through a conductor between two points is directly proportional to the voltage across the two points?

• Coulomb's Law

• Ohm's Law

• Faraday's Law

• Kirchhoff's Law

What does an ammeter measure?

• Voltage

• Resistance

• Current

• Charge

How many electrons approximately make up a charge of one coulomb?

Tags

NGSS.HS-PS2-4

What happens to the current in a circuit if the voltage is doubled and the resistance remains the same?

• It is halved

• It remains the same

• It is doubled

• It is quadrupled

Which device is used to measure electric charge?

• Voltmeter

• Ammeter

• Coulombmeter

• Ohmmeter