Question

deal with the following diagram, showing three point charges of -2.00 μC, +4.00 μC, and +6.00 μC that are placed along the x-axis.

0.200 m -2.00 UC +6.00 LC 0.200 m 0.200 m +4.00 uc

(a)What is the sign of the electric potential at point P?

		positive
		negative

(b) What is the magnitude of the electric potential at point P?

(c)Suppose a proton is initially very far away in the +y direction. How much work would it take to bring this proton down along the y-axis to point P?

(d)Would your answer to question 13 change if the proton was brought to point P along a different path (where the proton is still being brought in from infinitely far away)?

		Yes. For example, it would take less work to approach point P from the left, because the -2.00 μC charge would attract it towards point P.
		Yes. For example, it would take more work to approach point P from the left, because the -2.00 μC charge would attract it away from point P.
		No. The difference in electric potential (and therefore the work) depends only on the initial and final points, and does not depend on the path taken.
		Maybe, but there is not enough information to give an answer.

Answer 1

solution O 200ml To B - 2.colc 0.200 m I 0:200m throolic +6.00uc from dig. AP = BP = TGA20P2 = AP = to 122 (1+1) 6,272 +(0122 = 012 r2 = 0.283 m electric potential at The magnitude of resultant point p ų V = VPA & Yeo + UB 12.63 vp = 9x [09 (-23,107 + gxtos + Contato 4 - 9 x 3) x15 -4 + 2 + . . ♡ = 9X103 (0.283 + H2OO) Up = 9 x 103 x 4 [ 028 + atzoo) . - V : 36 X10 F01 200 + 0 : 283 - 0.0566 Vp = 36 X10' x (0.483 ) = 307.20 x 108 1010566 ) TVp = 3.07 x los volt CS Scanned with CamScanner

@ = from above result it is electric potential at clear point p the is of sign positivel a from ooh , The magnitude of electric 13.07×108 Any potential at point Pis - o work required to bring a proton down along the ya axis to point p , - W E o Electric potential ate point p due to charges - 2:00 MC, +4.00 46 & + 600l4c) x (charge of proton) wa (3.078 105) x (1.6810 19 ) wa 4.912 x 1014 W = 4.91 81014 @ No, therefore 4 final taken. the difference in electric potential cand the work) depends only on the initial points & does not depend on the path Hence option ② is coreet Art Scanned with CamScanner
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