Electric Circuits
The ratio of intensity of magnetisation to the magnetising force is known as

 flux density.
 susceptibility.
 none of above.
 relative permeability.

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Electric Circuits
What is called the instantaneous value of an alternating current?

 The value of peak current at any instant.
 The value of peak quantity at any instant.
 The value of alternating quantity at any instant.
 The value of alternating frequency at any instant.

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