Electronics and Communication Engineering - Electromagnetic Field Theory - Discussion

9. 

Charge needed within a unit sphere centred at the origin for producing a potential field,

[A]. 12 pc
[B]. 60 pc
[C]. 120 pc
[D]. 180 pc

Answer: Option C

Explanation:

q = 120p coulomb, r = 1 meter.


Abhinaba Mal said: (Oct 9, 2017)  
Why is it compared with electric field intensity formula, not with directly potential formula?

Shivam said: (Aug 29, 2018)  
How do we solve this using Poisson's equation?

Please, anyone explain me.

Akshat said: (Aug 25, 2020)  
Yes, this can be solved using Poisson's equation as δ^2V= -ρ/ε.

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