Home » Mechanics » Physical World, Units and Measurements » Question

Physical World, Units and Measurements

Easy Questions
Moderate Questions

Mechanics

Physical World, Units and Measurements
Motion in a Straight Line
Motion in a Plane
Laws of Motion
Work, Energy and Power
Gravitation
Mechanical Properties of Solids
Mechanical Properties of Fluids
System of Particles and Rotational Motion
  1. The unit of permittivity of free space, εo is
    1. Coulomb2/(Newton-metre)2
    2. Coulomb/Newton-metre
    3. Newton-meter2/Coulomb2 ​
    4. Coulomb2/Newton-meter2
Correct Option: D

ε0 =
q2
(r2) 4 π F

⇒ unit of εo is (coulomb)2 / newton-metre2


Your comments will be displayed only after manual approval.