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Computer Programming MCQs — Test 58

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Question 1
When both the inductance and resistance of a coil are doubled the value of________________?
Question 2
Conductivity is analogous to____________?
Question 3
Those materials are well suited for making permanent magnets which have ________ retentivity and _________ coercivity
Question 4
Hard steel is suitable for making permanent magnets because_____________?
Question 5
Conductance is analogous to_____________?
Question 6
The unit of retentivity is____________?
Question 7
While comparing magnetic and electric circuits, the flux of magnetic circuit is compared with which parameter of electrical circuit ?
Question 8
Laminated cores, in electrical machines, are used to reduce____________?
Question 9
A ferrite core has less eddy current loss than an iron core because_______________?
Question 10
Silicon steel is used in electrical machines because it has_____________?