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4.2 Using the resistor in a circuit 1. Connect the cireuit shown in Figure 3 below. Set the power supply at 10V and select Ri equals to (2.2k). 2. Turn off the power supply. Change the value of resistor R2 and measure it using the ohmmeter. Write your reading in the table shown in Figure 4. 3. Measure the voltages across R; and Ra and write the readings in the table. 4. Repeat the steps above for another two different values of R2 and write your readings in the table.

4.2 Using the resistor in a circuit 1. Connect the cireuit shown in Figure 3 below. Set the power supply at 10V and select Ri equals to (2.2k). 2. Turn off the power supply. Change the value of resistor R2 and measure it using the ohmmeter. Write your reading in the table shown in Figure 4. 3. Measure the voltages across R; and Ra and write the readings in the table. 4. Repeat the steps above for another two different values of R2 and write your readings in the table.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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4.2 Using the resistor in a circuit 1. Connect the circuit shown in Figure 3 below. Set the power supply at 10V and select R1 equals to (2.2k). 2. Turn off the power supply. Change the value of resistor R, and measure it using the ohmmeter. Write your reading in the table shown in Figure 4. 3. Measure the voltages across R, and Ry and write the readings in the table. 4. Repeat the steps above for another two different values of R, and write your readings in the table. www R2 R1 Figure 3 V1 7.3V E R1 R2 V2 2.86V 0.96 kN 10.5V 2.2 kQ 68.5kN 2.97V 9.82V 51.8 k2 1.86V 9.72V Figure 4 5 Discussion 1. Discuss the results obtained in Section 4.1. 2. Caleulate Vi and Va in Figure 3 theoretically using the values for E, R1, and R2. 3. What are the advantages of variable resistors? www
Transcribed Image Text:4.2 Using the resistor in a circuit 1. Connect the circuit shown in Figure 3 below. Set the power supply at 10V and select R1 equals to (2.2k). 2. Turn off the power supply. Change the value of resistor R, and measure it using the ohmmeter. Write your reading in the table shown in Figure 4. 3. Measure the voltages across R, and Ry and write the readings in the table. 4. Repeat the steps above for another two different values of R, and write your readings in the table. www R2 R1 Figure 3 V1 7.3V E R1 R2 V2 2.86V 0.96 kN 10.5V 2.2 kQ 68.5kN 2.97V 9.82V 51.8 k2 1.86V 9.72V Figure 4 5 Discussion 1. Discuss the results obtained in Section 4.1. 2. Caleulate Vi and Va in Figure 3 theoretically using the values for E, R1, and R2. 3. What are the advantages of variable resistors? www
Experiment no. 2: Using Variable Resistors Prepared by: Dr. Ali Al-Hashimi Department of Medical Instrumentation Techniques Engineering Al-Amarah University College 1 Objective The objective of this experiment is to understand and learn how to use a variable resistor, be familiar with measuring its value, and using it in cireuits. Introduction A variable resistor is an electric/electronic component that can be used to vary the amount of current and/or voltage within a circuit. A variable resistor, which can also be called a potentiometer, can provide multiple values of resistance between zero and its maximum value. This could be done, for example, by sliding wiper contact along a track or by rotating a knob. Figure la shows two symbols used for variable resistors. Figures lb and le show two types of potentiometers. Variable resistors can be usod in different applications, such as circuits for voice control, voltage divider, or dimming lighting. 3. 1-Ww-2 or (a) (b) Figure 1 3 Tools and Components 1. A power supply. 2. Variable resistors. 3. Measuring instruments (A voltmeter and ohmmeter). 4. Wires. Procedure 4.1 Measuring the value 1. Select a variable resistor. Connect an ohmmeter to the resistor, as shown in Figure 2a. Record the reading of olmmeter. 2. Change the value of resistor and also record the reading of ohmmeter. 3. Connect the ohmmeter to the resistor as shown in Figure 2b. Change the value of resistor. Record the reading of ohmmeter. 3 1 2 ww 2 (b) Figure 2
Transcribed Image Text:Experiment no. 2: Using Variable Resistors Prepared by: Dr. Ali Al-Hashimi Department of Medical Instrumentation Techniques Engineering Al-Amarah University College 1 Objective The objective of this experiment is to understand and learn how to use a variable resistor, be familiar with measuring its value, and using it in cireuits. Introduction A variable resistor is an electric/electronic component that can be used to vary the amount of current and/or voltage within a circuit. A variable resistor, which can also be called a potentiometer, can provide multiple values of resistance between zero and its maximum value. This could be done, for example, by sliding wiper contact along a track or by rotating a knob. Figure la shows two symbols used for variable resistors. Figures lb and le show two types of potentiometers. Variable resistors can be usod in different applications, such as circuits for voice control, voltage divider, or dimming lighting. 3. 1-Ww-2 or (a) (b) Figure 1 3 Tools and Components 1. A power supply. 2. Variable resistors. 3. Measuring instruments (A voltmeter and ohmmeter). 4. Wires. Procedure 4.1 Measuring the value 1. Select a variable resistor. Connect an ohmmeter to the resistor, as shown in Figure 2a. Record the reading of olmmeter. 2. Change the value of resistor and also record the reading of ohmmeter. 3. Connect the ohmmeter to the resistor as shown in Figure 2b. Change the value of resistor. Record the reading of ohmmeter. 3 1 2 ww 2 (b) Figure 2
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