4. A thin semicircular rod has a total charge +Q uniformly distributedalong it. A negative point charge -Q is placed as shown. A testcharge +q is placed at point C. (Point C is equidistant from - Q andfrom all points on the rod.)Let F, and FR represent the force on the test charge due to the pointcharge and the rod respectively.a.Is the magnitude of Fp greater than, less than, or equal to themagnitude of FR? Explain how you can tell.-QCC. A second negative point charge -Q is placed as shown.Is the magnitude of the net electric force on +q greater than,less than, or equal to the magnitude of the net electric force -Qon+q in part b? Explain.CSb. Is the magnitude of the net force on +q greater than, less than, or equal to the magnitude ofFp? Explain.a

It is given that, The total charge in the thin semicircular rod is +Q.…

Answered: 4. A thin semicircular rod has a total…

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