A thin semicircular rod like the one in problem 4 is broken into two halves. The top half has a total charge +Q uniformly distributed along it, and the bottom half has a total charge-Q uniformly distributed along it. On the diagram, indicate the direction of the net electric force on a positive test charge placed in turn at points A, B, and C. Explain how you determined your answers.
A thin semicircular rod like the one in problem 4 is broken into two halves. The top half has a total charge +Q uniformly distributed along it, and the bottom half has a total charge-Q uniformly distributed along it. On the diagram, indicate the direction of the net electric force on a positive test charge placed in turn at points A, B, and C. Explain how you determined your answers.
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Transcribed Image Text:EM
-86
Charge
5. A thin semicircular rod like the one in problem 4 is broken into
two halves. The top half has a total charge + Q uniformly
distributed along it, and the bottom half has a total charge -Q
uniformly distributed along it.
On the diagram, indicate the direction of the net electric force on
a positive test charge placed in turn at points A, B, and C.
Explain how you determined your answers.
6. A positive point charge +q is placed near an uncharged
metal rod.
Sketch the charge distribution on the rod.
b. Is there a non-zero net electric force on the rod? Explain.
a.
+q
A
C.
Is there a non-zero net electric force on the point charge? Explain.
+Q
B
с
:)
Uncharged
metal rod
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