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1stpe// myct 64620773ioffset next s Amacon.com-Online Sh... Y walking dead season 6-YTripdvisor Item 8 Part A Two circular disks spaced 0 50 mm apart form a parallel plate capacitor. Transferring 1.10 x10 electrons from one disk to the other causes the electric field strength to be 250 x10 N/C What are the diameters of the dsks?. Express your answer with the appropriate units. You may want to review( pages 764 766) For help with math skills, you may want to review D Value Units Didsion Submit Hints My Answers Give Up Review Part

Explanation / Answer

According to the given problem,

As we know , E = V/d using this calculate the voltage

V = E*d = 2.50*105 *5 *10-4 = 125V

Now, the capacitance, C = Q / V

C = [1.10*109 *1.602*10-19]/ 125 = 1.409* 10-12 F [1.409 pF]

Then using the parallel plate capacitor concept

C = A/d

A = Cd/ = [1.409* 10-12 *5*10-4]/ 8.85 *10-12

A = 7.9647*10-5 m2

As we know A = R2

R = 5.035 *10-3m

Diameter is = 2R = 0.010070 m

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