** 30. Two fixed charges, Q, and Qp, are located along the x-axis, as shown. QA = +4 x 10-8 C QB = -2 × 10-8 C X+ 5 cm 10 cm a) Find the net electric field (magnitude and direction) at the point labeled x. b) What force (magnitude and direction) would a charge q = -5 x 10-º C experience if placed at x?

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter19: Electric Forces And Electric Fields
Section: Chapter Questions
Problem 22P
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** 30. Two fixed charges, Q and Qp, are located along the x-axis, as shown.
QA = +4 × 10-8 C
QB = -2 × 10-8 C
5 cm
10 cm
a) Find the net electric field (magnitude and direction) at the point labeled x.
b) What force (magnitude and direction) would a charge q = -5 x 10-°C experience if
placed at x?
Transcribed Image Text:** 30. Two fixed charges, Q and Qp, are located along the x-axis, as shown. QA = +4 × 10-8 C QB = -2 × 10-8 C 5 cm 10 cm a) Find the net electric field (magnitude and direction) at the point labeled x. b) What force (magnitude and direction) would a charge q = -5 x 10-°C experience if placed at x?
Expert Solution
Step 1

Given data:

The charges are,

QA =+4×10-8 C 

QB =-2×10-8 C 

The distance between QA and QB

d1 = 10 cm = 0.1 m

The distance between QA and x

d2 = 5 cm = 0.05 m

Formula used:

The electrostatic force between two charged particle is,

F=14πε0q1q2r2r^

The electric field intensity is,

E=14πε0qr2r^

Where,

q- Source charge 

q1 and q2- Charges

r- Distance between charges

 

 

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