Answered: b) For the circuit shown below, R1 =…

b) For the circuit shown below, R1 = 72, R2 = 3N, R3 = 22, R4 = 40 and the battery voltage is 18V. R3 R4 R2 R1 V i) The equivalent resistance of the circuit is = ii) The source current is =

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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Concept explainers

Ohm's law

Ohm’s law is a prominent concept in physics and electronics. It gives the relation between the current and the voltage. It is used to analyze and construct electrical circuits. Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it.

Path of Least Resistance

In a series of alternate pathways, the direction of least resistance is the actual or metaphorical route that offers the least resistance to forwarding motion by a given individual or body.

Question

b) For the circuit shown below, R1 = 70, R2 = 30, R3 = 20,
R4 = 42 and the battery voltage is 18V.
R3
R4
R2
R1
i) The equivalent resistance of the circuit is =
ii) The source current is =
A
iii) The voltage drop across R2 is =
V
iv) The current through R4 is =
A
v) The power dissipated across R1 is =

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