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Question: Answered & Verified by Expert
In the following I refers to current and other symbols have their usual meaning. Choose the option that corresponds to the dimensions of electrical conductivity:
PhysicsUnits and DimensionsJEE MainJEE Main 2016 (09 Apr Online)
Options:
  • A M-1L-3T3I
  • B M-1L-3T3I2
  • C M-1L3T3I
  • D ML-3T-3I2
Solution:
1911 Upvotes Verified Answer
The correct answer is: M-1L-3T3I2
R=LσA

σ=LRA= LIAV

=LIAwIt

=LL2I2TML2T-2

=M-1L-3T3I2

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