Those magnetic materials are best suited for making armature and transformer cores which have ________permeability and _________hysteresis loss.
A. High, high
B. Low, high
C. High, low
D. Low, low
Answer: Option C
Related Questions on Magnetic Circuit
A. E.M.F.
B. Current
C. Current density
D. Conductivity
Point out the wrong statement. Magnetic leakage is undesirable in electric machines because it
A. Lowers their power efficiency
B. Increases their cost of manufacture
C. Leads to their increased weight
D. Produces fringing
Laminated cores, in electrical machines, are used to reduce
A. Copper loss
B. Eddy current loss
C. Hysteresis loss
D. All of the above
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