CBSE Class 12-science Answered
calculate
Asked by bijuaylara111 | 02 Sep, 2017, 04:12: PM
Expert Answer
1) The electric field is given. Also the distance from the centre where the field is to be found, given.
2) Use 
to find Q.
to find Q.3) Q = Er2/k . Note that the field is pointing inward. So, Q = -Er2/k. Solving we get Q = -21.3 nC.
NOTE: The options given in the question have some error in them.
Answered by Romal Bhansali | 03 Sep, 2017, 11:56: AM
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