Concept explainers
(a)
The electric charge at
(a)
Answer to Problem 69AP
The electric field at
Explanation of Solution
Conclusion:
Write the expression for the electric field.
Here, s is the total electric field,
Write the expression for the electric field.
Here,
Substitute
The following diagram shows the distance of the charges from
Figure-(1)
Substitute
Therefore, the electric field at
(b)
The electric field at
(b)
Answer to Problem 69AP
The resultant electric field is
Explanation of Solution
Rewrite the equation (III) for resolving the forces along
Rewrite the equation (III) for resolving the forces along
Write the expression to calculate the electric field at
Write the expression for the resultant electric field.
Here,
Write the expression to calculate the direction.
Here,
Conclusion:
The following diagram shows the distance of the charges from
Figure-(2)
From the figure-(2) calculate the distance of the charge from the position
Consider the triangle
Consider the triangle
Consider the triangle
Consider the triangle
Substitute
Substitute
Substitute
Then the resultant force is,
Substitute for
Substitute for
Direction of the resultant force is,
Therefore, resultant electric field is
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Chapter 23 Solutions
PHYSICS:F/SCI...W/MOD..-UPD(LL)W/ACCES
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