To find the total resistance and current in the rod.

Question

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Answer 1

Question

Chapter 25, Problem 25.77CP

(a)

To determine

To find the total resistance and current in the rod.

(b)

To determine

To find the magnitude of the electric field in the rod.

(c)

To determine

To find the magnitude of electric potential in the rod as a function of x.

(d)

To determine

To draw the graphs of functions ρ(x) , E(x) and V(x) .

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Problem 3: A 1.2 g wire has a density of 2.7 g/cm3 and a resistivity of 2.7 × 10−8 Ωm. The wire has a resistance of 15 Ω. a) How long is the wire? b) The wire is made up of atoms with valence 1 and molar mass 26.98 g/mol. What is the drift speed of the electrons when there is a voltage drop of 30 V across the wire?

Problem 5: Copper wire has a resistivity p = 1.7 x 10-8 2 m when at 20°C and it has a temperature coefficient a = 3.9 x 10-3 K-1. A solid cylinder of copper of length L = 75 cm and diameter D = 1.5 mm has one end held at T1 = 14°C and the other end is held at T2 = 240°C. The temperature increases linearly between the two ends of the cylinder. L T2 dx Part (a) Consider a thin slice of the copper cylinder of thickness dx that is located a distance x from the left end of the cylinder. Write an equation for the temperature of this slice in terms of the variables x, L, T1, and T2. Expression : T = Select from the variables below to write your expression. Note that all variables may not be required. a, B, 0, d, g, h, j, k, L, m, P, t, T1, T2, x Part (b) Determine the total resistance in milliohms. Numeric : A numeric value is expected and not an expression. R =

P3

Answer 2

Question

Chapter 25, Problem 25.77CP

(a)

To determine

To find the total resistance and current in the rod.

(b)

To determine

To find the magnitude of the electric field in the rod.

(c)

To determine

To find the magnitude of electric potential in the rod as a function of x.

(d)

To determine

To draw the graphs of functions ρ(x) , E(x) and V(x) .

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 25, Problem 25.77CP

(a)

To determine

To find the total resistance and current in the rod.

(b)

To determine

To find the magnitude of the electric field in the rod.

(c)

To determine

To find the magnitude of electric potential in the rod as a function of x.

(d)

To determine

To draw the graphs of functions ρ(x) , E(x) and V(x) .

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 25, Problem 25.77CP

(a)

To determine

To find the total resistance and current in the rod.

(b)

To determine

To find the magnitude of the electric field in the rod.

(c)

To determine

To find the magnitude of electric potential in the rod as a function of x.

(d)

To determine

To draw the graphs of functions ρ(x) , E(x) and V(x) .

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 25, Problem 25.77CP

(a)

To determine

To find the total resistance and current in the rod.

(b)

To determine

To find the magnitude of the electric field in the rod.

(c)

To determine

To find the magnitude of electric potential in the rod as a function of x.

(d)

To determine

To draw the graphs of functions ρ(x) , E(x) and V(x) .

Answer 6

Chapter 25, Problem 25.77CP

(a)

To determine

To find the total resistance and current in the rod.

Answer 7

Chapter 25, Problem 25.77CP

(a)

To determine

To find the total resistance and current in the rod.

Answer 8

(b)

To determine

To find the magnitude of the electric field in the rod.

Answer 9

(b)

To determine

To find the magnitude of the electric field in the rod.

Answer 10

(c)

To determine

To find the magnitude of electric potential in the rod as a function of x.

Answer 11

(c)

To determine

To find the magnitude of electric potential in the rod as a function of x.

Answer 12

(d)

To determine

To draw the graphs of functions ρ(x) , E(x) and V(x) .

Answer 13

(d)

To determine

To draw the graphs of functions ρ(x) , E(x) and V(x) .

Answer 14

Expert Solution & Answer

Answer 15

Expert Solution & Answer

Answer 16

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Answer 17

Ch. 25.1 - Suppose we replaced the wire in Example 25.1 with...Ch. 25.2 - Prob. 25.2TYU Ch. 25.3 - Suppose you increase the voltage across the copper...Ch. 25.4 - Rank the following circuits in order from highest...Ch. 25.5 - Rank the following circuits in order from highest...Ch. 25.6 - Which of the following factors will, if increased,...Ch. 25 - The definition of resistivity ( = E/J) implies...Ch. 25 - A cylindrical rod has resistance R. If we triple...Ch. 25 - A cylindrical rod has resistivity . If we triple...Ch. 25 - Two copper wires with different diameters are...

To find the total resistance and current in the rod.

Solution Summary: The author explains how to determine the total resistance and current in the rod.

To find the total resistance and current in the rod.

To find the magnitude of the electric field in the rod.

To find the magnitude of electric potential in the rod as a function of x.

To draw the graphs of functions ρ(x) , E(x) and V(x) .

Want to see the full answer?

Chapter 25 Solutions