6 points) Electric Force Principle of Superposition and Vector I would recommend

Question

6 points) Electric Force Principle of Superposition and Vector I would recommend beginning this problem by comparing C and B, and A and D. Note thak the problem by comparing C and B, and A and D. Note that t charge distribution in D is meant to be a semicircle with the center at the location of the charge +g ET3-RT6: CHARGED RODS AND POINT CHARGES-FORCE In each case A-D, a point charge +q is fixed in place as well as some --x + +20 other point charges or charged rods. The charged insulating rod in case A has a length x and a charge +20 distributed uniformly along it. The charged insulating rod in case D is an arc of radius y, and has a charge +20 distributed uniformly along it. Rank the magnitude of the electric force on +q due to the other charges in each case. . ' +2Q 9+20 Greatest 1234Least OR, the electric force on +q is the same for all four cases. OR, the ranking for the electric force on +q cannot be determined. tq Carefully explain your reasoning.

Explanation / Answer

By comparing B and D, A and C understood that:

1.charge of B is +Q+Q=2Q which is same as D.

2.Since B is an isosceles triangle side is eaual to height which is quiet similar to diameter of arc of D.

3.The angles of B and D are also same.

So, on account of above three point the electric force on +q is same for both B and D.

4.A and C charge is same

5.Height is same

Since the topic is only about magnitude but not the angles, so the electric force on A and C are also same.

Since A is as much as similar to B

The electric force on +q is same in all four cases.

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