IOLab Activity - Capacitance Objectives: Develop the concepts of charge, capacitance, and voltage across a capacitor Understanding of capacitors in series circuits. Become skilled in measurement of potential differences (voltages) in electric circuits. Measure voltages and determine the relation between capacitances. Connect two capacitors in series on the breadboard, one of a known capacitance (10 µF)and another of unknown capacitance. Set up the IOLab and connect the 3.3 V output to one end of the series combination of capacitors and ground (GND) to the other. Connect a long wire ('the voltage probe') to the Analog 7 input. Once you have set up the IOLab device, choose the Analog 7 sensor from the sensor's column in the IOLab software. Click the record button and use the probe to record the potential (voltage) at various points in the circuit. Measure the voltage drop across each capacitor. You may compile the data into a table. From the known capacitance C1 and the measure voltage drops across the two capacitors determine the unknown capacitance C2. Show how to do that and derive an equation that contains the voltages across the two capacitors and the two capacitances. Find the unknown capacitance C2. We got a voltage reading of 2.4 for the first one and 0.9 for the second one. So V1 = 2.4 V V2 = 0.9 V C1 = 10 micro F C2 = unknown How do I find C2?
IOLab Activity - Capacitance Objectives: Develop the concepts of charge, capacitance, and voltage across a capacitor Understanding of capacitors in series circuits. Become skilled in measurement of potential differences (voltages) in electric circuits. Measure voltages and determine the relation between capacitances. Connect two capacitors in series on the breadboard, one of a known capacitance (10 µF)and another of unknown capacitance. Set up the IOLab and connect the 3.3 V output to one end of the series combination of capacitors and ground (GND) to the other. Connect a long wire ('the voltage probe') to the Analog 7 input. Once you have set up the IOLab device, choose the Analog 7 sensor from the sensor's column in the IOLab software. Click the record button and use the probe to record the potential (voltage) at various points in the circuit. Measure the voltage drop across each capacitor. You may compile the data into a table. From the known capacitance C1 and the measure voltage drops across the two capacitors determine the unknown capacitance C2. Show how to do that and derive an equation that contains the voltages across the two capacitors and the two capacitances. Find the unknown capacitance C2. We got a voltage reading of 2.4 for the first one and 0.9 for the second one. So V1 = 2.4 V V2 = 0.9 V C1 = 10 micro F C2 = unknown How do I find C2?
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter20: Electric Potential And Capacitance
Section: Chapter Questions
Problem 48P
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Transcribed Image Text:IOLab Activity - Capacitance Objectives: Develop the concepts of charge, capacitance, and voltage across a
capacitor Understanding of capacitors in series circuits. Become skilled in measurement of potential
differences (voltages) in electric circuits. Measure voltages and determine the relation between capacitances.
Connect two capacitors in series on the breadboard, one of a known capacitance (10 µF)and another of
unknown capacitance. Set up the IOLab and connect the 3.3 V output to one end of the series combination of
capacitors and ground (GND) to the other. Connect a long wire ('the voltage probe') to the Analog 7 input.
Once you have set up the IOLab device, choose the Analog 7 sensor from the sensor's column in the IOLab
software. Click the record button and use the probe to record the potential (voltage) at various points in the
circuit. Measure the voltage drop across each capacitor. You may compile the data into a table.
From the known capacitance C1 and the measure voltage drops across the two capacitors determine the
unknown capacitance C2. Show how to do that and derive an equation that contains the voltages across the
two capacitors and the two capacitances. Find the unknown capacitance C2.
We got a voltage reading of 2.4 for the first one and 0.9 for the second one. So V1 = 2.4 V V2 = 0.9 V C1 = 10
micro F C2 = unknown How do I find C2?
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