Electric Current High School

What is Electric Current

• flow of electric current through a conductor

• flow of electric charges through a conductor

• flow of electric charges through an insulator

• flow of electric current through an insulator

What is the symbol for the SI unit for Electric Current?

• a

• A

• v

• V

What measures current?

• Electroscope

• Meter

• Ammeter

• All of the above

What is this symbol called?

• Ammeter

• Resistor

• Battery

• Voltage

What is this symbol?

• Ammeter

• Resistor

• Battery

• Voltage

A path that is made for an electric current is?

• Static electricity
• conductor
• A circuit
• resistor

A voltmeter is described as a device that can be used to measure

• Voltage
• Current
• Resistance
• Power

What is a formula to calculate Current

• I=q/t

• I=q*t

• I =V*R

• I = R/V

Which of these is an example of current electricity?

• Placing a lightning rod on the roof of a house to attract lightning

• Rubbing a plastic pipe with a piece of wool to attract small pieces of paper

• Building a circuit using copper wire and a D cell battery

• Using a sheet of fabric softner in the dryer to help reduce static cling

What is resistance measured in?

• Ω (Ohms)
• V (Volts)
• A (Amps)
• W (Watts)