1.Wire C and wire D are made from different materials and have length Lc = Lp = 1.0 m.The resistivity and diameter of wire C are 2.0 x 10-6 N·m and 1.00 mm, and those of wire D are1.0 x 10-6 N· m and 0.50 mm. The wires are joined as shown in the Figure 1, and a current of 2.0 Ais set up in them.CD- Lc--Lp23Figure 1(a) What is the electric potential difference between points 1 and 2?(b) What is the electric potential difference between points 2 and 3?(c) What is the rate at which energy is dissipated between points 1 and 2?(d) What is the rate at which energy is dissipated between points 2 and 3?

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Answered: - C are 2.0 x 10-6 n·m and 1.00 wires…

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- C are 2.0 x 10-6 n·m and 1.00 wires are joined as shown in the F

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 55P: A 20.00-V battery is used to supply current to a 10-k resistor. Assume the voltage drop across any...

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Question

1.
Wire C and wire D are made from different materials and have length Lc = Lp = 1.0 m.
The resistivity and diameter of wire C are 2.0 x 10-6 N·m and 1.00 mm, and those of wire D are
1.0 x 10-6 N· m and 0.50 mm. The wires are joined as shown in the Figure 1, and a current of 2.0 A
is set up in them.
C
D
- Lc-
-Lp
2
3
Figure 1
(a) What is the electric potential difference between points 1 and 2?
(b) What is the electric potential difference between points 2 and 3?
(c) What is the rate at which energy is dissipated between points 1 and 2?
(d) What is the rate at which energy is dissipated between points 2 and 3?

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