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25-09-2021 Electromagnetic Theory

Q. Zero permeability/permittivity implies which state?

A. No ions are allowed in the medium
B. No current is generated in the medium
C. No magnetic or electric energy is permitted in the medium
D. No resistivity


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Dapzoi Verified
Commented on 2021-09-25 11:30:47 (IST)
Answer: C

Explanation: The zero permittivity in an electric field refers to the ability of the field/medium to permit electric charges in it. Similarly, zero permeability in a magnetic field refers to the ability of the field/medium to permit the magnetic energy into the field.