18. Ohm's Law

18. Ohm's Law

Multiple Select

In the virtual lab, what did you need to get the bulb to light up? (Select all that apply)

• Battery

• Resistor

• Closed circuit (loop)

• Switch

Remember potential energy?

Multiple Choice

An object's potential energy increases as its height above the ground...

• Increases

• Decreases

Multiple Choice

Calculate the voltage V of a battery if there is a 20 Ω (Ohm) resistor (R) and you measure the current (I) to be 4 Amps.

• 80 V

• 5 V

• 80 Ω

• 5 Ω

Multiple Choice

Calculate the current (I) through a 3 Ω resistor when a voltage of 12V is applied across it.

• 36 Amps

• 4 Amps

• 36 Ohm

• 4 Volts

Multiple Choice

A 6 Ω resistor has a power source of 20 V across it. Calculate the current (I) running through the circuit.

• 120 Ohm

• 3.33 Amps

• 120 Amps

• 3.33 Ohm

Multiple Choice

What is the current (I) if the voltage doubles?

• Still 3.33 Amps

• Less than 3.33 Amps

• Exactly 6.66 Amps

DOL

Ohm’s Law Quizizz