Copy of 5CL Pre-Lab 5 Submission Template - F23v2

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5CL Pre-Lab 5 Assignment Luli Zhang, 10/29/23, G1 When finished adding your responses on each slide, save this as a PDF file and upload it to your Gradescope assignment. >

Q2a: If you hook up your voltage supply to run 2V across this resistor, what current do you expect to measure? Q2b: Choose another voltage between 0 and 3V. When you run this current through your resistor, what current would you expect to measure if your resistance is constant (don’t overthink)? V = IR 1 = F 1 = = 1 = = If we choose voltage V = 1 . 5 volts

Q1c: Given the voltage and current values in the table below, how can you directly calculate the resistance? This same data is plotted on the right. How can you determine the resistance from this graph (V=IR)? 5 - 1 m = 55 8m = 3mA = 0 . 09302 V/ma 0 09302x = R

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Q2a: Draw a diagram of how you can simultaneously use a voltmeter to measure the voltage drop across the resistor and use an ammeter to measure the current through the resistor. You can check the backup slides in the introduction material from last week. 4 Q2b: When you put your light bulb in the circuit, it may not get hot enough to light up. Which measurement from part (a) will tell you if the lightbulb is still an active element in the circuit, even if it's not lighting up. What would you expect this measurement to be if the light bulb isn’t working? voltmeter - 07 I R - ---Ammeter - A B ⊥ - healt from resistance is proportional to the square of current H & R We would expect a low value

Q3: Sketch a plot of what Current vs. Voltage data might look like for the light bulb where the resistance starts off roughly constant at low voltage values, but gets increasingly larger for higher voltage values (no numbers needed). Start by sketching the case for constant resistance first and then think about how this plot would change if the resistance were to increase with voltage. 5 constant I v resistance I - V

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