Concept explainers
(a)
The electric field at point (0, 3) cm

Answer to Problem 58QAP
Net electric field is
Explanation of Solution
Given:
Two charges are placed on the x -axis:
Formula used:
Electric field at distance r from the charge Q.
Calculation:
Point P is at x =0, y = 0.03 m
The x -component of electric field is:
The y -component of electric field is:
Net electric field,
At the angle,
Conclusion:
Net electric field is
(b)
Force acting on the electron at point (0, 3) cm

Answer to Problem 58QAP
Net force acting on the electron is
Direction of force on the electron is toward the positive charges.
Explanation of Solution
Given:
Electric field,
Charge on electron,
Formula used:
Calculation:
Conclusion:
Net force acting on electron is
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Chapter 16 Solutions
COLLEGE PHYSICS,VOLUME 1
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