How to calculate this problems Knowledge area: Electricity and magnetism (Physics)11. Calculate the unknown values in each of the following circuit diagrams.a) Refer to Figure 9.1 and calculate the unknown values R2, R3, V1 and V3b) Refer to Figure 9.2 and calculate the unknown values /1. 12, I3, V1 and v2I= 0,5 A(R, = 10 n12 VR2R, = 80 NV2) V2 = 6 VAgRa72 VR2 = 30 0R3 = 60 nAFig 9.1Fig 9.212. In an experiment to measure the resistance of a heating element, the followingmeasurements were made:Current (A)0,000,250,380,480,570,66Potential difference (V)0,002,004,006,008,0010,00a) Plot a graph of potential difference on the y-axis against current on the x-axis.b) Use the graph to determine the resistance of the resistor ati)5,0 Vii) 10,0 Vc) Explain why the resistance changed as the potential difference was increased.13. Sketch a graph of voltage versus current for 2 different resistors on the same set of axes.Indicate which of the two resistors has the greatest resistance and explain your choice.14. Refer to Figure 9.3. The reading on the voltmeter connected across the 3 2resistor is 9 V.a) If a voltmeter across the parallel connection of resistors reads 12 V, how manyjoules of energy does the battery supply to each coulomb of charge that passesthrough it?b)What is the reading on the ammeter A?c)Calculate the current in the 6 N resistor.How would the reading on the voltmeterd)connected across the 3 2 resistor change ifresistor R, was removed from the circuit?Explain your answer.9 VoltTopic 9: Electric circuits • 329

Since you have asked multiple questions, we will solve the first question for you. If you want any…

11. Calculate the unknown values in each of the following circuit diagrams: a) Refer to Figure 9.1 and calculate the unknown values R2, Ry V1 and b) Refer to Figure 9.2 and calculate the unknown values /. 2, ly V1 and v2 1-0,5 A(A R,- 10 0 Vs 12 V R2 R, - 80 n As V V2 - 6 V Ag 72 V R2 = - 30 n V2 Rg = 60 0 A Fig 9.1 Fig 9.2

11. Calculate the unknown values in each of the following circuit diagrams: a) Refer to Figure 9.1 and calculate the unknown values R2, Ry V1 and b) Refer to Figure 9.2 and calculate the unknown values /. 2, ly V1 and v2 1-0,5 A(A R,- 10 0 Vs 12 V R2 R, - 80 n As V V2 - 6 V Ag 72 V R2 = - 30 n V2 Rg = 60 0 A Fig 9.1 Fig 9.2

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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How to calculate this problems

Knowledge area: Electricity and magnetism (Physics)
11. Calculate the unknown values in each of the following circuit diagrams.
a) Refer to Figure 9.1 and calculate the unknown values R2, R3, V1 and V3
b) Refer to Figure 9.2 and calculate the unknown values /1. 12, I3, V1 and v2
I= 0,5 A(
R, = 10 n
12 V
R2
R, = 80 N
V2) V2 = 6 V
Ag
Ra
72 V
R2 = 30 0
R3 = 60 n
A
Fig 9.1
Fig 9.2
12. In an experiment to measure the resistance of a heating element, the following
measurements were made:
Current (A)
0,00
0,25
0,38
0,48
0,57
0,66
Potential difference (V)
0,00
2,00
4,00
6,00
8,00
10,00
a) Plot a graph of potential difference on the y-axis against current on the x-axis.
b) Use the graph to determine the resistance of the resistor at
i)
5,0 V
ii) 10,0 V
c) Explain why the resistance changed as the potential difference was increased.
13. Sketch a graph of voltage versus current for 2 different resistors on the same set of axes.
Indicate which of the two resistors has the greatest resistance and explain your choice.
14. Refer to Figure 9.3. The reading on the voltmeter connected across the 3 2
resistor is 9 V.
a) If a voltmeter across the parallel connection of resistors reads 12 V, how many
joules of energy does the battery supply to each coulomb of charge that passes
through it?
b)
What is the reading on the ammeter A?
c)
Calculate the current in the 6 N resistor.
How would the reading on the voltmeter
d)
connected across the 3 2 resistor change if
resistor R, was removed from the circuit?
Explain your answer.
9 Volt
Topic 9: Electric circuits • 329

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