Electric Current

What is electric current?

• The directed movement of electrons in a conductor

• The flow of water in a pipe

• The pressure exerted by electrons

• The measurement of electric charge

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is the intensity of electric current?

• The rate of flow of electric charge

• The number of electrons passing through a section

• The unit of electric current

• The pressure of electrons in a conductor

What is the unit of measurement for electric current?

• Ampere

• Volt

• Ohm

• Watt

What is the difference in potential - voltage of electric current?

What is the unit of measurement for electric resistance?

• Volt (V)

• Ohm (Ω)

• Ampere (A)

• Watt (W)

What instrument is used to measure the intensity of electric current?

• Voltmeter

• Ammeter

• Ohmmeter

• Multimeter

What is the instrument used to measure the potential difference (voltage) between two points in a circuit?

• Ammeter

• Voltmeter

• Ohmmeter

• Multimeter

What is the connection of the voltmeter called?

• Series connection

• Parallel connection

• Branch connection

What is the relationship between resistors in series?

• All resistors have the same current

• All resistors have the same voltage

• The total resistance is the sum of individual resistances

What is the relationship between resistors in parallel?

• All resistors have the same current

• All resistors have the same voltage

• The total resistance is less than the smallest resistance