a).What is the electric field strength E at a 1 distance of 1 cm from a 100-mC charge in transformer oil?
b). what is E at twice the distance.
electric----hurry...Thx
2006-10-24 4:39 am
回答 (1)
2006-10-24 5:35 am
✔ 最佳答案
a)E = ( 1/ 4 pi eo er )( q / r^2 )
you need er of the transformer oil and put into the formula above.
b)
1/4 of the answer of part a.
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