JEE Main 2019 Physics question
Which of the following combinations has the dimension of electrical resistance ( is the permittivity of vacuum and is the permeability of vacuum)?
Answer: (D)
Solution
≈ 377 Ω (impedance of free space).
Which of the following combinations has the dimension of electrical resistance ( is the permittivity of vacuum and is the permeability of vacuum)?
≈ 377 Ω (impedance of free space).