21.96 •. Two charges are placed asshown in Fig. P21.96. The magnitudeof q1 is 3.00 µC, but its sign and thevalue of the charge q2 are not known.The direction of the net electric fieldÉ at point P is entirely in the negativey-direction. (a) Considering the differentpossible signs of qq and q2, four possible diagrams could represent the electricfields Éj and É, produced by q1 and q2. Sketch the four possible electric-field configurations. (b) Using the sketches from part (a) and the direction ofÉ, deduce the signs of q and q2. (c) Determine the magnitude of É.Figure P21.96P5.0 cm/12.0 cm13.0 cm92

Part a: Draw the diagram for different scenario.

21.96 •• Two charges are placed as Figure P21.96 shown in Fig. P21.96. The magnitude of q1 is 3.00 µC, but its sign and the value of the charge q2 are not known. The direction of the net electric field P 5.0 cm 12.0 cm É at point P is entirely in the negative y-direction. (a) Considering the different possible signs of q1 and q2, four possible diagrams could represent the electric fields Éj and É2 produced by q1 and q2. Sketch the four possible electric- field configurations. (b) Using the sketches from part (a) and the direction of É, deduce the signs of q1 and q2. (c) Determine the magnitude of E. 13.0 cm 92

21.96 •• Two charges are placed as Figure P21.96 shown in Fig. P21.96. The magnitude of q1 is 3.00 µC, but its sign and the value of the charge q2 are not known. The direction of the net electric field P 5.0 cm 12.0 cm É at point P is entirely in the negative y-direction. (a) Considering the different possible signs of q1 and q2, four possible diagrams could represent the electric fields Éj and É2 produced by q1 and q2. Sketch the four possible electric- field configurations. (b) Using the sketches from part (a) and the direction of É, deduce the signs of q1 and q2. (c) Determine the magnitude of E. 13.0 cm 92

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

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

21.96 •. Two charges are placed as
shown in Fig. P21.96. The magnitude
of q1 is 3.00 µC, but its sign and the
value of the charge q2 are not known.
The direction of the net electric field
É at point P is entirely in the negative
y-direction. (a) Considering the different
possible signs of qq and q2, four possible diagrams could represent the electric
fields Éj and É, produced by q1 and q2. Sketch the four possible electric-
field configurations. (b) Using the sketches from part (a) and the direction of
É, deduce the signs of q and q2. (c) Determine the magnitude of É.
Figure P21.96
P
5.0 cm/
12.0 cm
13.0 cm
92

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