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Question: Answered & Verified by Expert
If E and B denote electric and magnetic fields respectively, which of the following is dimensionless?
PhysicsUnits and DimensionsJEE Main
Options:
  • A μ0 ε0EB
  • B μ0ε0EB
  • C μ0ε0 BE2
  • D μ0EBε0
Solution:
2179 Upvotes Verified Answer
The correct answer is: μ0 ε0EB
EB=c (Velocity of light if we consider free space) and 1μ0 ε0=c

So μ0 ε0EB is dimensionless.

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