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Problem 9.Find allpositions, ifany, where the total electric field is zero for thechargedistributions
shownbelow. In each case the charges are separatedby adistance d. (Assumeq> 0.) Briefly justifyyour
answers.
A)
q q
B)
q âq
C)
q 4q
D)
q â4q
At each corner of a square of side there are point charges of magnitude Q, 2Q, 3Q, and 4Q
a)Determine the magnitude of the force on the charge 2Q. Express your answer in terms of Coulomb's constant k, Q, and l. Express your answer using two significant figures
b)Determine the direction of the force on the charge 2Q Express your answer using two significant figures
At each corner of a square of side there are point charges of magnitude Q, 2Q, 3Q, and 4Q.
a) Determine the magnitude of the force on the charge 2Q. Express your answer in terms of Coulomb's constant k, Q, and l. Express your answer using two significant figures.
b) Determine the direction of the force on the charge 2Q . Express your answer using two significant figures.