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CBSE Class 12-science Answered

Two point charges of minus 16 microcoulomb and + 18 microcoulomb are placed 8 cm apart find the position of the point where electric field is zero
Asked by navneetkumar121999 | 25 Apr, 2018, 19:21: PM
answered-by-expert Expert Answer
In order to get the location of zero field, we need to find the location far away from higher magnitude charge.
Hence Point P is chosen left of the location of -16 μC.
Let point P is left of -16μC and at a distance r cm from -16μC.
Since at P field due to both charges cancel each other, we have
by solving for r, we get r = 133 cm
Answered by Thiyagarajan K | 26 Apr, 2018, 14:06: PM

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