Electric field at point 20 cm away from the center of dielectric sphere (non conducting solid sphere) is 100 V/m, radius of sphere is 10 cm, then value of electric field at a distance 3 cm from the center is :
Text Solution
Verified by ExpertsThe correct answer is:
C
= 100
KQ = 4
E(3cm) = 
= 120 V/m
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