PHYC 202 week 6 Lab 5: Ohm's Law (Online)

Overview

Ohm's Law

Open the Ohm's LawLinks to an external site.simulation.

a. As you change the value of the battery voltage, how does the current change?

b. As you change the value of the resistance of the resistor, how does the current change?

c. If you have a light bulb instead of a resistor, how do you think changing the voltage will change the brightness of the bulb?

d. Does the voltage of the battery change when you vary the resistance? Why or why not?

e. Does the resistance change when you vary the voltage? Why or why not?

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Flag question: Question 2Question 26 pts

DC Circuit

Consider the circuits shown below:

[Image unavailable: LabCircuit1.png]

Use your understanding of voltage, resistance, and current to answer:

a. What will happen when the switches are closed?

b. How will the brightness of the bulbs compare between the two circuits?

c. Use the Circuit Construction KitLinks to an external site. to build the circuits. How do your predictions compare to what happens when you close the switches in the circuits?

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Flag question: Question 3Question 34 pts

DC Circuit

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Flag question: Question 4Question 46 pts

DC Circuit

Consider the circuits shown below:

[Image unavailable: LabCircuit2.png]

Use your understanding of voltage, resistance, and current to answer:

a. What will happen when the switches are closed?

b. How will the brightness of the bulbs compare between the two circuits?

c. Use the Circuit Construction Kit. to build the circuits. How do your predictions compare to what happens when you close the switches in the circuits?

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Flag question: Question 5Question 54 pts

DC Circuit

Upload a picture of your circuits with the switches closed.