Please complete all parts! Thank you :) (9%) Problem 10: A single point charge i

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Please complete all parts! Thank you :)

(9%) Problem 10: A single point charge in vacuum has imaginary equipotential surfaces around it which are spherical due to the symmetry of the situation. Assume we have a charge q = 5.5 x 10-10 C and such a surface with potential V= 67 V 33% Part (a) Input an expression for the radius of this surface, r. in terms of the given quantities ra Dec Pot Sul Att 50/ det 4 56 0 END BACKSPACE CLEAR Submit Hint I give up! Hints: 100 deduction per hint. Hints remaining: 2 Feedback: 100 deduction per feedback. 33% Part (b) What is the radius, in meters? 33% Part (c) What is the radius, in meters, of a 10,000 V equipotential surface? All content © 2018 Expert TA, LLC

Explanation / Answer

10. given

q= 5.5*10^-10 C

V = 67 V

a. let radiusof the equipotential surface be r

then

V = kq/r

r = kq/V

b. r = 8.98*10^9*5.5*10^-10/67 = 0.073716417910 m

c. for V = 10,000 V

r = kq/V = 0.0004939 m

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