Electric Current and Ohm's Law

The mathematical relationship among Voltage, Current, and Resistance

• Faraday's Law
• Tesla's Law
• Edison's Law
• Ohm's Law

What word means how hard it is for electrons to flow through.

• Current
• Voltage
• Resistance
• Power

What word means how fast the electrons flow.

• Current
• Voltage
• Resistance
• Power

What unit is used to measure voltage?

• Ohms

• Omega

• Volts

• Amps

What unit is used to measure current?

• Ohms

• Omega

• Volts

• Amps

What unit is used to measure resistance?

• Ohms

• Omega

• Volts

• Amps

Which is the right form of Ohm's Law?

• V=I/R

• V=R/I

• I=V/R

• I=R/V

Tags

NGSS.HS-PS3-5

NGSS.HS-PS3-3

What is voltage?

• the amount of push the electrical source supplies to the circuit

• how much a given device resists the flow of electric current

• flow of electric charge

• none of the above

What is resistance?

• the amount of push the electrical source supplies to the circuit

• how much a given device resists the flow of electric current

• flow of electric charge

• none of the above

What is the voltage needed to run a 9.2 ohm toaster on a 5.5 amps?

• 9.2 V

• 5.06 V

• 34.14 V

• 50.6 V