Which material is used as a conducting material in electrical machines – McqOptions

MCQOPTIONS

1.	Which material is used as a conducting material in electrical machines? i. Copper ii. Aluminium iii. Nickel iv. Iron
A.	i, iii and iv
B.	ii and iv only
C.	i and ii only
D.	i and iv only
Answer» D. i and iv only

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