CBSE Class 12-science Answered
a copper wire ring of radius 15cm is given a charge 100uc.find the electric potential and the intensities at the center of the ring and the point on the axis at a distance 10cm from its center
Asked by bhushankr113 | 13 Jun, 2019, 10:20: PM
Expert Answer
At point O :
electric potential =
electric field =
-----------------------------------
At point P, i.e. 15 cm from centre of ring in the axis
electric potential =
field vectors are shown in figure due to charge elements located opposite points in the ring.
If we resolve the vectors, vertical components will be nullified. Horizontal components are getting added up.
angle θ = tan-1(10/15)≈56
electric field =
Answered by Thiyagarajan K | 14 Jun, 2019, 12:28: PM
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