a) Use voltage division to determine the voltage v, across the 40 N resistor in the circuit shown. 3.4 b) Use v, from part (a) to determine the cur- rent through the 40 N resistor, and use this current and current division to calculate the current in the 30 N resistor. c) How much power is absorbed by the 50 N resistor? 40 Q 50 N + v, 20 Ω ξ 30 Ωξ 10 Ωξ 60 V 70 Ω Answer: (a) 20 V; (b) 166.67 mA; (c) 347.22 mW.

a) Use voltage division to determine the voltage v, across the 40 N resistor in the circuit shown. 3.4 b) Use v, from part (a) to determine the cur- rent through the 40 N resistor, and use this current and current division to calculate the current in the 30 N resistor. c) How much power is absorbed by the 50 N resistor? 40 Q 50 N + v, 20 Ω ξ 30 Ωξ 10 Ωξ 60 V 70 Ω Answer: (a) 20 V; (b) 166.67 mA; (c) 347.22 mW.

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

100%

a) Use voltage division to determine the
voltage v, across the 40 N resistor in the
circuit shown.
3.4
b) Use v, from part (a) to determine the cur-
rent through the 40 N resistor, and use this
current and current division to calculate the
current in the 30 N resistor.
c) How much power is absorbed by the 50 N
resistor?
40 Q
50 Ω
+ v,
60 V
20 Ωξ
30 Ωξ
10 Ω
70 N
Answer: (a) 20 V;
(b) 166.67 mA;
(c) 347.22 mW.
+ |

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