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Grade 12Electric Current

Along straight metal rod of radius and charge per unit length of 30 nC/m.Find the electric field a)3.00cm b)10 cm and c)100 cm..from the axis of the rod,Where distances are measured perpendicular to the rod?

mani kanta

13 Years agoGrade 12

2 Answers

manu gupta

13 Years ago

electric field in case of rod=charge density/2*pi*epsilon*R

a)E=18000n/c

b)E=5400n/c

c)E=540n/c

mani kanta

13 Years ago

b and c are correct but a is wrong.Write the solution for me

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