SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

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

1 Answer
5876 Votes
3537

Answer Key : (c) -

Electric field on axis of ring

E=

For maximum electric field

 = 0

 h =



Next Question :

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


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