Question

only answer part C in question 2

answer for a&b

a) 225988 nm^2/c

b) 22588 nm^2/c

2uC Fig. 8-14 2) A + 4uC point charge is placed in the center of a hemisphere of radius one 2) A The hemisphere is open, it has no enclosing left circular a) Find the electric flux through the hemisphere. b) Is this hemisphere a valid surface to use for Gauss Law? c) The point charge is moved one meter to the left. Which of the following best describes the net electric flux through the hemisphere with the charge at this position? Explain your choice. i. The electric flux is zero. ii. The electric flux is the same as in part a (but not zero). iii. The electric flux is larger than in part a. iv. The electric flux is smaller than in part a. 3) Consider a spherical insulator with net charge Q that has a uniform charge distribution withni it (p QV) throughout its volume.

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Answer #1

2C] Option 1v is correct.

The electric flux will be smaller than that in part a.

It is because when charge is moved towards left, electric field at all the points of hemisphere will decrease. So the flux will also decrease.

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