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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Question
B
Each resistor in the circuit below has a resistance of 6 ohm. The voltage supplied by the battery is 18 V. What is the voltage across and current through the resistor B ?
![1. What current flows through a 0.50 mm diameter wire of Platinum that is 80.0 cm long, when 12
V is applied to it?
Resistance of Platinum wire =
Ω
Current flowing through the Platinum wire =
[3
marks]
Resistivity p
(ohm m)
Material
Silver
1.59 x 10-8
Copper
1.68 x10-8
Copper, annealed
1.72 x10-8
Aluminum
2.65 x10-8
Tungsten
5.6 x10-8
Iron
9.71 x10-8
Platinum
10.6 x10-8
Manganin
48.2 x10-8
Lead
22 x10-8](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffbd96936-3a0e-433b-8834-4c9c32d9f071%2F9271eb34-23b1-4071-8c1d-3e23db22b4ab%2Fg7114t6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. What current flows through a 0.50 mm diameter wire of Platinum that is 80.0 cm long, when 12
V is applied to it?
Resistance of Platinum wire =
Ω
Current flowing through the Platinum wire =
[3
marks]
Resistivity p
(ohm m)
Material
Silver
1.59 x 10-8
Copper
1.68 x10-8
Copper, annealed
1.72 x10-8
Aluminum
2.65 x10-8
Tungsten
5.6 x10-8
Iron
9.71 x10-8
Platinum
10.6 x10-8
Manganin
48.2 x10-8
Lead
22 x10-8
Transcribed Image Text:The current flowing through the resistor B is =
A
The voltage drop across the resistor B is =
V
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