Ohm's Law and Circuits

What is the voltage of a circuit with 4 ohms of resistance and 3 amps of current?

• 12 V

• 21 V

• 4/3 V

• 3/4 V

What is the current in a circuit with 6 ohms of resistance and a battery containing 24 Volts?

• 1/4 A

• 144 A

• 4 A

• 0.4 A

What unit is used to measure voltage?

• Ohms

• Omega

• Volts

• Amps

Tags

NGSS.HS-PS2-4

What unit is used to measure current?

• Ohms

• Omega

• Volts

• Amps

The mathematical relationship among Voltage, Current, and Resistance

• Faraday's Law

• Tesla's Law

• Edison's Law

• Ohm's Law

According to this law, the current in a circuit equals the voltage difference divided by the resistance. 

• Law of Conservation of Energy 

• Ohm's Law 

• Law of Conservation of Charges

• Newton's First Law 

What is the unit for Resistance?

• Ohms

• Volts (V)

• amps (A)

Match the following quantities with their units.

• Volts, V

• Resistance, R

• Amps, A

• Current, I

• Ohms, Ω

• Energy, E

• Joules, J

• Voltage, V

What is the resistance of a lightbulb that experiences 9 Volts and 3 amps of current?

• 1/3 ohms

• 3 ohms

• 27 ohms

• 9 ohms

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