According to the figure below, four particles form a square. The charges are q1 = q4 = q and q2= q3 = Q. (a)What is Qlq if the net electrostatic force on particles 4 is zero? (b) Is there any valueof q that makes the net electrostatic force on each of the four particles zero? Explain.a4aNOTE: Ke= 8.99x 10(power 9) N.m2/C2According to the figure below, a thin glass rod forms a semicircle of radius r=10 cm. Charge isuniformly distributed along the rod, with +q= 5pC in the upper half and -q-5pC in the lower half.What are the (a)magnitude and (b) direction (relative to the positive direction of the x axis) of theelectric field at P, the center of the semicircle? Note: Firstly, drive the mathematical formula ofElectric field+g-4

Four charged particles are placed on the four corners of a square of side a, the electrostatic force…

Answered: According to the figure below, four…

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According to the figure below, four particles form a square. The charges are q1 q4 = q and q2 = q3 = Q. (a)What is Qlq if the net electrostatic force on particles 4 is zero? (b) Is there any value of q that makes the net electrostatic force on each of the four particles zero? Explain. a a 3 4 a