# For a uniformly charged ring of radius R, the electric field on its axis has the largest magnitude at a distance h from its centre.  Then value of h is: a.   b. R c.   d. R

## Question ID - 50073 :- For a uniformly charged ring of radius R, the electric field on its axis has the largest magnitude at a distance h from its centre.  Then value of h is: a.   b. R c.   d. R

3537

Electric field on axis of ring

E=

For maximum electric field

= 0

h =

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 What is the area of PQR, given that side PQ = 32 cm and PR = 25 cm. (a) 2 sq. cm (b) 3 sq. cm (c) 4 sq. cm (d) Cannot be determined