Variable inductance is achieved by the utilization of __________ core – McqOptions

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1.	Variable inductance is achieved by the utilization of __________ core in the shape of a rod which is wraped by a hollow coil of wire.
A.	Ferrimagnetic
B.	Ferromagnetic
C.	Paramagnetic
D.	Diamagnetic
Answer» C. Paramagnetic

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