Question

the electric field due to an electric dipole at for off point at a distance r is directly proportional to (a) 1/r (b) 1/r2 (c) 1/r3 (d) 1/r4​

Answer 1

Answer:

Intensity of electric field due to a Dipole

E=

4πε

0

r

3

p

3cos

2

θ+1

⇒E∝

r

3

1

So, we can just dimensionally tell that Electric field will be inversely proportional to third power of r.

Explanation:

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