SI Units and electricity

What is a coulomb?

• The SI Unit of current

• The SI Unit of voltage

• The SI Unit of charge

• The SI unit of power

Tags

CCSS.HSN.Q.A.1

About how many electrons does it take to generate an electric charge of 1 coulomb?

• 6.24×10¹⁸

• 2×10⁶

• 50

• 6.24×10^-32

Tags

CCSS.8.EE.A.3

What is 1 Amp equivalent to?

• 1 electron per meter

• 1 Coulomb per second

• 1 Volt per second

• 1 Volt per meter

Which of the following is the SI unit of current?

• Amps

• Watts

• Coulombs

• Volts

Tags

CCSS.HSN.Q.A.1

What is voltage?

• Electric potential energy

• Electric Potential

• The difference in electric potential between two points

• The measure of electric foce.

What is the SI unit of work (energy transfer)

• Newtons

• Joules

• Amps

• Volts

Tags

CCSS.HSN.Q.A.1

Which of the following is a measure of the rate of energy transfer?

• Work

• Power

• Voltage

• Current

Which of the following is a formula for calculating power?

P stands for power

i is current

v is voltage

R is resistance

• P = iR

• P = vi

• P = v/i

• P = 50

Tags

CCSS.8.EE.C.7B

Which of the following is the SI unit of charge?

• Amps

• Volts

• Coulombs

• Seconds

Which of the following is a measure of charge capacity, i.e. how much charge a device (like a battery) can store?

• Amp*hours

• Watt*hours

• Amp*coulombs

• Amps