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Dimensional formula of permittivity? Of space as well as vaccum.
Dimensional formula of permittivity?Of space as well as vaccum.

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11 months ago

Saurabh Koranglekar
10341 Points
```							Dear studentPlease find the link belowhttps://www.askiitians.com/forums/Electrostatics/the-dimensional-formula-of-the-permittivity-of-vac_169657.htmRegards
```
11 months ago
Vikas TU
14149 Points
```							Dear student Permittivity of free space depends on the hand-inputted value of the vacuum permeability μ0 = 4π * 10^-7 Henrys (inductance) per meter (i.e., Newton/Ampere^2) with respect to the classical relationship c^2 = 1/(μ0ε0).Since [Henrys per meter] times [Farads per meter] (with the latter constituting the dimensionality of ε0) makes [s^2/m^2], its inverse equates to the dimensions of lightspeed squared on the LHS of the equality [c^2 = 1/(μ0ε0)].This also means that, based on μ0, the permittivity of free space ε0 is exactly 10^7/(4π|c|^2) Farads per meter — where |c|^2 is the modulus of lightspeed squared, or just the number 299,792,458^2 — which is not quite obvious at first glance.M^-1 L^-3 T^4 A^2 is the dimensional formula for permittivity of vacuum. Here M is Mass, L is length, T is time and A is current
```
11 months ago
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### Course Features

• 110 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions