Required Equipment Experiment FIGAC (a) Advanced Electronics Experiment Platform ELECTRICAL AND COMPUTER | جامـعـة أبـوظـبـي Procedure ABU DHABI UNIVERSITY Objectives 1. Verify Ohms Law by keeping the voltage constant and

resistance varying. 2. Verify the voltage divider formula practically. 3. Verify the current divider formula practically. CEN201: Electric Circuits Lab Experiment 1 Ohm's Law Voltage and Current Dividers ENGINEERING PREPARED BY: ENG. YAZAN BARHAM DIGLAC (b) Electrical Networks Board Figure 1: List of equipment O 1 O = 0.002 13 CE Introduction This lab is divided into three exercises. The first exercise will be experimentally studying Ohm's Law and verifying it. On the second and third exercises you will be implementing the voltage and current divider circuits and experimenting them to verify their formulas. (c) Multimeter 1 Exercise 1: Ohm's Law In this exercise, you are going to experiment Ohm's Law and verify its equation practically using the circuit in Figure 2: + 12 V www R Figure 2: Ohm's Law Circuit 1. Make sure the Module Power Supply is off. 2. Connect a shorting link between sockets 1.6 & 1.7. 3. connect a lead between sockets 1.10 & 1.12. 4. Connect a multimeter on DC current range between socket 1.13 (positive) and socket 1.2 (common). 5. Set the variale resistor to 1000. 6. Switch ON the Module Power Supply. 7. Measure the current and record it in Table 1. 8. Repeat for all the resistance values in Table 1 and complete the table. Resistance (2) Calculated Current (mA) Measured Current (mA) % of Error 100 200 300 400 500 600 700 800 Table 1: Ohm's Law Results • Question 1.1: Describe the relation between the resistance value and the current for a constant voltage source. 2 2 Exercise 2: Voltage Divider Circuit In this exercise, you are going to study the voltage divider circuit and verify its formula using the circuit in Figure 3: Voltage Across R6 Calculated Measured V + V 1. Make sure the Module Power Supply is OFF. 2. Connect a shorting link between sockets 3.2 & 3.3. 3. Connect a shorting link between sockets 3.8 & 3.11. 4. Calculate the voltages using the formula: Vn Vin where Rn is the resistor you are calculating the voltage across and Rm is the other resistor. Record your calculation in Table 2. Rn+Rm 5. Turn ON the Module Power Supply. 6. Measure the voltage across R6 and R7 and record the values in Table 2 and complete the table. % of Error W R6 1 ΚΩ Figure 3: Voltage Divider Circuit + Voltage Across R7 Calculated Measured R7 1.5 ΚΩ V 12 V Table 2: Voltage Divider Results 1. Make sure the Module Power Supply is OFF. V R6 1 ΚΩ ww R8 680 Ω % of Error Question 2.1: How does the voltage across each resistor is related to the value of the resistor itself in the voltage divider circuit? 3 3 Exercise 3: Current Divider Circuit In this exercise, you are going to study the current divider circuit and verify its formula using the circuit in Figure 4: Figure 4: Current Divider Circuit Total Voltage Calculated Measured V V % of Error 2. Connect a lead between sockets 3.3 & 3.6. 3. Connect a lead between sockets 3.5 & 3.13. 4. Connect a lead between sockets 3.2 & 3.3. 5. Calculate the total current in the circuit and record your result in Table 3. 6. Calculate the current in each resistor using the formula: In Iin where Rn is the resistor you are calculating the current passing by it and Rm is the other resistor. Record your calculations in Table 3. = Rm Rn+Rm 7. Turn ON the Module Power Supply. 8. Set the multimeter on the DC current range. 9. Disconnect the lead from socket 3.5. Connect the common lead of the multimeter to the open end of the lead and connect the positive lead of the multimeter to socket 3.5 to measure the current in R6. Record your result in Table 3. 10. Disconnect the multimeters leads and return the circuit to the previous configuration. 11. Disconnect the lead from socket 3.6. Connect the positive lead of the multimeter to the open end of the lead and connect the common lead of the multimeter to socket 3.6 to measure the current in R8. Record your result in Table 3. Current in R6 Calculated Measured mA mA % of Error Current in R8 Calculated Measured mA mA % of Error Table 3: Current Divider Results 4 Total Current Calculated Measured mA mA % of Error • Question 3.1: How does the current in each resistor is related to the value of the resistor itself in the current divider circuit?/n Need to write report in Overleaf (No page limit) Need to answer the questions given as well. Links for Overleaf Tutorial: - https://youtu.be/5WcOIZeZLls?si=Wqc9rvgAgcD6-Bg3 - https://youtu.be/j9a1k-6R0JY?si=T34ASgD0FAHS0UV1 - https://youtu.be/j9a1k-6R0JY?si=4gnznxsEIRoBz343