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Question 7

The flux through certain torpid changes from 0.65 mWb to 0.91 mWb when the air cone is replaced by another material. The relative permeability is

  • A.1.25
  • B.1.38
  • C.1.40
  • D.none of the above
Objective

Question details

Exam body
NDA
Subject
Physics
Year
2011/2012
Question no.
#7
Type
Objective
Previous · Q6The current sensitivity of a galvanometer can be increased if __. Next · Q8 What is the power of an electric motor which does 6000 J of work per minute?

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