ELECTRICITY FOR TRADES (LOOSELEAF)
3rd Edition
ISBN: 9781260437454
Author: Petruzella
Publisher: MCG
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Textbook Question
Chapter 8.2, Problem 1RQ
Calculate the total resistance for each of the following resistor circuits:
- a. Series circuit: R1 = 40 Ω, R2 = 75 Ω
- b. Parallel circuit: R1 = 200 Ω, R2 = 200 Ω, R3 = 200 Ω
- c. Series circuit: R1 = 2,000 Ω, R2 = 6,000 Ω, R3 = 2,200 Ω
- d. Parallel circuit: R1 = 14 Ω, R2 = 32 Ω
- e. Series circuit: R1 = 4,700 Ω, R2 = 800 Ω, R3 = 200 Ω
- f. Parallel circuit: R1 = 60 Ω, R2 = 30 Ω, R3 = 15 Ω
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Given the Diagram of the Resistive Network. 1. Simplify the circuit
2. Get the total resistance of the resistive network
Suppose that the components of the circuit shown in figure below, have the following values:R1= 16Ω , R2= 18Ω , R3=30Ω , R4=9Ω , R5= 4Ω .The voltage across AB is measured by a voltmeter whose internal resistance is 250Ω .What is the measurement error caused by the resistance of the measuring instrument?
PRELAB
1. Using one of the relationships for resistors connected in parallel, solve for the total resistance in
Figure 1. Show Calculations
R Total
R133.3ΚΩ
R235.6KQ
R332.2ΚΩ
Figure 1. Parallel resistive circuit for part 1 of the prelab
2. Refer to the circuit in Figure 2.
Answer the following;
a. In branch C, how are R5, R6 and R7 related to each other? How are their currents related? How are
their voltage drops related to the voltage across branch A and branch B?
b. In branch B, how are R3 and R4 related to each other? How are their voltage drops related to the
voltage across branch B?
c. What is the relationship between the sum of the currents of branches A,B, and C to the current
through R1? Why?
d. Make a statement that compares the amount of current through each branch (A,B, and C) with the
resistance on the branches (A, B, and C).
e. Branch B and branch C connected in series or parallel? How is the voltage across them related? f. Is
the voltage across R3 in branch B and R5 in…
Chapter 8 Solutions
ELECTRICITY FOR TRADES (LOOSELEAF)
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- Given three resistors in series-parallel connection with the following data, what is the total resistance? Series: R1 Parallel Branch: R2 and R3 R1 = 421 ohms R2 = 123 ohms R3 = 755 ohmsarrow_forwardGiven five resistors in series-parallel connection with the following data, what is the total resistance? Series: R1, R2 Parallel Branch: R3, R4, R5 R1 = 58 ohms R2 = 67 ohms R3 = 71 ohms R4 = 12 ohms R5 = 9 ohmsarrow_forwardtotal current drawn by circuit consisting of three resistors connected in paraallelarrow_forward
- Match the voltage measurements from the resistor series in part 1 with the approximate values below. You may use the same answer more than oncearrow_forwardQ6arrow_forwardResistors R1 and R2 are connected in parallel. The total current drawn from a 30V source is 6A. WHen the value of resistor R2 is doubled, the current drop to 4A. Determine the resistances of R1 and R2arrow_forward
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- 2. Figure 2 shows the circuit diagram of a network. Draw a multimeter (ammeter or voltmeter) on the diagram to measure the following values: ww R5 R3 5V R1 ww- R4 HI Figure 2 a) Voltage across R4 b) Current through R1 and R3 c) Current through C2 d) Voltage across R5 e) Current through R5 R2arrow_forwardPlease explain correctly in detail. I will upvote. Thank you.arrow_forward2. From the figure, when the voltage V2 is 10 and 10 volts, the total voltage VD4 and VD6 is 0.7 volts. The voltage VD5 is 0.3 volts. The resistances R4, R5 and R6 are 9 5.1 and 15.1 ohms accordingly. Sequence Show how to calculate and answer the questions in the box. empty as follows D4 A D5 D6 R4 V2 R5 R6 When V2 equals 10 Volts 2.2 When V2 is equal to -10 Volts i Current flow through D4 : Answer.... : Current value Flow through D4 : Answer... .: Current flow through D5 : Answer.. Krahok fee stream flowing through D5 : Answer.. Current flow through D6 : Answer.. Current value Flow through D6 : Answer.... Current flow through R4 : Answer.. Current value Flow through R4 : Answer.... Current flow through R5 : Answer.. . Current value Flow through R5: Answer Current flow through R6 : Answer.. Current value Flow through R6 : Answer.... Current source V2 : Answer.. Current value Power supply V2 : Answer..arrow_forward
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