manganin is an alloy ofa copper manganese and
Manganin is an alloy of
(A) Copper, manganese and nickel. (B) Copper and manganese.
(C) Manganese and nickel. (D) Manganese, aluminium and nickel.
Ans:
Manganin is an alloy of copper, manganese and nickel.
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ferrites area ferromagnetic materialb ferrimagnetic materialsc anti ferromagnetic materiald diamagnetic materialsansferrites are ferromagnetic
which of the following has the least energy1 2p 2 3p
the relative permeability of a paramagnetic substance isa unity b slightly more than unityc zero
hall effect may be used for which of the followinga determining whether the semiconductor is p or n typeb determining the carrier concentrationc
manganin is an alloy ofa copper manganese and nickel b copper and manganesec manganese and nickel
eddy current loss is proportional to thea frequency b square of
a pure semiconductor under ordinary conditions behaves likea a conductor b an insulatorc a
in p-type semiconductor the majority carriers area holesb positive ionsc electronsd negative ionsansin p-type semiconductor the majority carriers are
copper is completely miscible witha nickelb goldc hydrogend leadanscopper is completely miscible with
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