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Electric circuits miscellaneous

  1. Which of the following statements holds for the divergence of electric and magnetic flux densities?
    1. Both are zero
    2. These are zero for static densities but non zero for time varying densities
    3. It is zero for the electric flux density
    4. It is zero for the magnetic flux density
Correct Option: D

Divergence of magnetic field is always zero because magnetic flux makes always a closed path.
So .B = 0 (Maxwell's equation),

while divergence of electric field .E =
ρ
ε0



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