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Tardigrade
Question
Physics
If σ = surface charge density, ε = electric permittivity the dimensions of ( σ/ ε ) are same as
Q. If
σ
= surface charge density,
ε
= electric permittivity the dimensions of
ε
σ
are same as
2206
209
Punjab PMET
Punjab PMET 2006
Physical World, Units and Measurements
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A
electric force
18%
B
electric field intensity
58%
C
pressure
15%
D
electric charge
9%
Solution:
The electric field due to conducting infinite sheet is E =
ε
σ