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PROCEDURE A: demonstrate that the effective or rms value of alternating current is equivalent in energy to the same value of direct current. 1. Connect the circuit diagram below and measure the voltage and current through each resistor, using 12 Volt DC supply. Measure also the power dissipated by each resistor. R1 R3 500 0 2 kl2 R2 1 ka Record your measurements in table 1 below. R DIRECT CURRENT ALTERNATING CURRENT I, A V, volts P, watts I, A V, volts P, watts R1 R2 R3 TABLE 1 2. Repeat procedure 1, but this time change the voltage supply into 12V AC supply. Record your measurements in table 1. 3. Compare the three current, voltage and power value measurements using DC and AC supply: PROCEDURE B: Measure the peak-to-peak voltage using an ocilloscope. 1. Set the oscilloscope to measure AC and connect its probes across each resistor, using the circuit of procedure 2. 2. Measure the peak-to-peak(p-p) voltage displayed on the oscilloscope. Record values in table 2. R V(p-p), volts V(rms), volts R1 R2 R3 Table 2 3. Calculate the rms value of the measured p-p values in table 2, using the conversion factor: rms=p-p value x 0.353. Record calculated values in table 2. 4. What can you conclude then regarding the voltage values in table 1 and the rms voltage values in table 2?

PROCEDURE A: demonstrate that the effective or rms value of alternating current is equivalent in energy to the same value of direct current. 1. Connect the circuit diagram below and measure the voltage and current through each resistor, using 12 Volt DC supply. Measure also the power dissipated by each resistor. R1 R3 500 0 2 kl2 R2 1 ka Record your measurements in table 1 below. R DIRECT CURRENT ALTERNATING CURRENT I, A V, volts P, watts I, A V, volts P, watts R1 R2 R3 TABLE 1 2. Repeat procedure 1, but this time change the voltage supply into 12V AC supply. Record your measurements in table 1. 3. Compare the three current, voltage and power value measurements using DC and AC supply: PROCEDURE B: Measure the peak-to-peak voltage using an ocilloscope. 1. Set the oscilloscope to measure AC and connect its probes across each resistor, using the circuit of procedure 2. 2. Measure the peak-to-peak(p-p) voltage displayed on the oscilloscope. Record values in table 2. R V(p-p), volts V(rms), volts R1 R2 R3 Table 2 3. Calculate the rms value of the measured p-p values in table 2, using the conversion factor: rms=p-p value x 0.353. Record calculated values in table 2. 4. What can you conclude then regarding the voltage values in table 1 and the rms voltage values in table 2?

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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PROCEDURE A: demonstrate that the effective or rms value of alternating current is equivalent in energy to the same value of direct current. 1. Connect the circuit diagram below and measure the voltage and current through each resistor, using 12 Volt DC supply. Measure also the power dissipated by each resistor. R1 R3 500 0 2 kl2 R2 1 ka Record your measurements in table 1 below. R DIRECT CURRENT ALTERNATING CURRENT I, A V, volts P, watts I, A V, volts P, watts R1 R2 R3 TABLE 1 2. Repeat procedure 1, but this time change the voltage supply into 12V AC supply. Record your measurements in table 1. 3. Compare the three current, voltage and power value measurements using DC and AC supply: PROCEDURE B: Measure the peak-to-peak voltage using an ocilloscope. 1. Set the oscilloscope to measure AC and connect its probes across each resistor, using the circuit of procedure 2. 2. Measure the peak-to-peak(p-p) voltage displayed on the oscilloscope. Record values in table 2. R V(p-p), volts V(rms), volts R1 R2 R3 Table 2 3. Calculate the rms value of the measured p-p values in table 2, using the conversion factor: rms=p-p value x 0.353. Record calculated values in table 2. 4. What can you conclude then regarding the voltage values in table 1 and the rms voltage values in table 2?
Transcribed Image Text:PROCEDURE A: demonstrate that the effective or rms value of alternating current is equivalent in energy to the same value of direct current. 1. Connect the circuit diagram below and measure the voltage and current through each resistor, using 12 Volt DC supply. Measure also the power dissipated by each resistor. R1 R3 500 0 2 kl2 R2 1 ka Record your measurements in table 1 below. R DIRECT CURRENT ALTERNATING CURRENT I, A V, volts P, watts I, A V, volts P, watts R1 R2 R3 TABLE 1 2. Repeat procedure 1, but this time change the voltage supply into 12V AC supply. Record your measurements in table 1. 3. Compare the three current, voltage and power value measurements using DC and AC supply: PROCEDURE B: Measure the peak-to-peak voltage using an ocilloscope. 1. Set the oscilloscope to measure AC and connect its probes across each resistor, using the circuit of procedure 2. 2. Measure the peak-to-peak(p-p) voltage displayed on the oscilloscope. Record values in table 2. R V(p-p), volts V(rms), volts R1 R2 R3 Table 2 3. Calculate the rms value of the measured p-p values in table 2, using the conversion factor: rms=p-p value x 0.353. Record calculated values in table 2. 4. What can you conclude then regarding the voltage values in table 1 and the rms voltage values in table 2?
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