Two identical metal spheres having equal and similar charges

Asked by admin @ 16/08/2021 in Physics viewed by 312 People

Two identical metal spheres having equal and similar charges repels each other with a force of 103 N , when they are placed 10 cm apart in a medium of dielectric constant 5 . Determine the charge on each sphere .

Answered by admin @ 16/08/2021

Answer:

Explanation:

q1= q2= q

F=103N

r=10 cm = 0.1 m

K= 5

F= q^2/4πE° r^2

q^2= 103× 5×(0.1)^2 / 9×10^9

q^2 = 5.15/ 9×10^9

q= √0.572×10^-9

q = 23.9× 10^-6C

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