Gauss’s law is true only if force due to a charge varies as
As we have learned
Gauss's Law -
Total flux linked with a closed surface called Gaussian surface.
Formula:
- wherein
No need to be a real physical surface.
Qenc - charge enclosed by closed surface.
.it follows inverse square law
Option 1)
Option 2)
Option 3)
Option 4)
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F=kQq÷r^-2
F~r^-2
Gauss law us applicable where force obeys inverse square law.
Therefore *option 2* is correct