Four wires meet at a junction. In two of the wires, currents I 1.09 A and I2 = 2.63 A enter the junction. In one of the %3D wires, current I3 = 6.99 A leaves the junction. Find the current in the fourth wire I4 and indicate its direction. direction: I4 = A O into the junction O undetermined

Four wires meet at a junction. In two of the wires, currents I 1.09 A and I2 = 2.63 A enter the junction. In one of the %3D wires, current I3 = 6.99 A leaves the junction. Find the current in the fourth wire I4 and indicate its direction. direction: I4 = A O into the junction O undetermined

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

100%

Four wires meet at a junction. In two of the wires, currents I
= 1.09 A and I2 = 2.63 A enter the junction. In one of the
wires, current I3
= 6.99 A leaves the junction. Find the current in the fourth wire I4 and indicate its direction.
direction:
I4 =
into the junction
O undetermined
O out of the junction

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