Ohm's Law

Multiple Choice

Which of the following is NOT a topic covered in Chapter Twenty: Electric Circuits?

• Charge

• Electric Circuits

• Current and Voltage

• Magnetism

Fill in the Blanks

Current is the

of electricity.

Multiple Choice

Which battery would have the biggest “push”? A 1.5v battery or a 12v car battery?

• 12V

• 1.5v

Multiple Choice

What causes current to flow in a circuit according to the analogy with water flow?

• A difference in voltage

• The length of the wire

• The thickness of the wire

• The color of the wire

Fill in the Blanks

How much voltage would 2 batteries provide if each battery is 1.5 volts?

Open Ended

Explain how increasing the number of bulbs in a series circuit affects the current and resistance, using the diagrams provided.

Drag and Drop

The Greek letter used to represent the unit of resistance is ___.

Placeholder

Drag these tiles and drop them in the correct blank above

Ω

α

β

γ

Multiple Choice

What is the unit of electrical resistance?

• Ohm

• Volt

• Ampere

• Watt

Fill in the Blanks

The formula for Ohm's law is I =

/ R.

Multiple Choice

If a circuit has a voltage of 6V and a resistance of 2Ω, what is the current according to Ohm's law?

• 3A

• 12A

• 0.33A

• 4A

Multiple Select

Which of the following quantities are related by Ohm's law?

• Current

• Voltage

• Resistance

• Power

Open Ended

How much current does a toaster oven draw if it has a resistance of 12 ohms and is plugged into a 120-volt outlet?

Fill in the Blanks

I = 120 V / 12 Ω =

A

Fill in the Blanks

Ohm's Law relates voltage, current, and

.

Open Ended

Reflect on what you learned about electric circuits in this chapter. What is one concept you found most interesting or would like to learn more about?