university Physics 2 A 8ih, drojar dsk of radus 300 amis orierted n the yz-plane
ID: 1656418 • Letter: U
Question
university Physics 2 A 8ih, drojar dsk of radus 300 amis orierted n the yz-plane with its center t the origin The disk carries a total charge of 3,00 uC distributed unformly over its surface. Calculate the magnitude of the electric feid due to the disk at the poinsx -15.0 cm along the -axis 8.8510-12C2N ) Question 2 0 out of 10 points Two lage, fat, herlaontally orlented planes are parallel to each other, a distanoe d apart Half way between the two plates the electric field has magnitude E it the separation of the plates is reduced o d2 What is the magnbude of the electric fold half way behaeen tho plates? Question 3 O out of 10 points to tho right of ia, so the wre makes an ange 8 with the o and charg -0 400 is un by a thin wine of negigtle mass. A charge of 0 220 yC is heid 0.290 m away from the sphere and directly 040 Question 4 vwry long wire caes a unom nwar charge density of 70Cm What is tho lectric feld sarangh 160m trom the cetier of the wire t a point on the wra's perpendicular bisector(-8.85- 0 out of 10 pointsExplanation / Answer
electric field due to infinite charged sheet at any point in space is independent of the location of the point,
E = sigma/2*epsilon
hence for an electric field E at a point due to two infinite plates of charge density , reducing the distance between them has no effect on the electric field and it remains the same E
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