Question: Q. 3. Derive an expression for electric field of a dipole at a point on the equatorial plane of the dipole. How does the field vary at large distances?

A [SQP 2017-18]

Show Answer

Solution:

Ans. (i) Derivation

(ii) At large distances, E1r3

[CBSE Marking Scheme, 2017]

Detailed Answer :

(i) Try yourself, similar to Q. 1 (i) Short Answer Type Questions-II

(ii) Electric field, E=p4πε0(r2+a2)3/2

If the dipole is at large distance r»a

E=p4πε0r3 |E|1r3



विषयसूची

जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक