3. Figure 3 shows a section of a circuit. The resistances are R1 = 2.0 N R2 = 4.0 N, and R3 = 6.0 N, and the indicated current is i = 6.0 A. The electric potential difference between points A and B that connect the section to the rest of the circuit is VA – VB = 78 V. R2 Воx R1 В R3 Figure 3 (a) Is the device represented by “Box" absorbing or providing energy to the circuit? (b) At what rate?

3. Figure 3 shows a section of a circuit. The resistances are R1 = 2.0 N R2 = 4.0 N, and R3 = 6.0 N, and the indicated current is i = 6.0 A. The electric potential difference between points A and B that connect the section to the rest of the circuit is VA – VB = 78 V. R2 Воx R1 В R3 Figure 3 (a) Is the device represented by “Box" absorbing or providing energy to the circuit? (b) At what rate?

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

3.
Figure 3 shows a section of a circuit. The resistances are R1 = 2.0 N R2 = 4.0 N, and
R3 = 6.0 N, and the indicated current is i = 6.0 A. The electric potential difference between points A
and B that connect the section to the rest of the circuit is VA – VB = 78 V.
R2
Воx
R
B
R3
Figure 3
(a) Is the device represented by "Box" absorbing or providing energy to the circuit?
(b) At what rate?

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