Magnetic Circuit Silicon steel is used in electrical machines because it has Low retentivity High coercivity Low coercivity Low hysteresis loss Low retentivity High coercivity Low coercivity Low hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Point out the wrong statement. Magnetic leakage is undesirable in electric machines because it Lowers their power efficiency Increases their cost of manufacture Leads to their increased weight Produces fringing Lowers their power efficiency Increases their cost of manufacture Leads to their increased weight Produces fringing ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hysteresis loss least depends on Volume of material Ambient temperature Frequency Steinmetz’s coefficient of material Volume of material Ambient temperature Frequency Steinmetz’s coefficient of material ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Laminated cores, in electrical machines, are used to reduce All of the listed here Hysteresis loss Eddy current loss Copper loss All of the listed here Hysteresis loss Eddy current loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Ferrites have high hysteresis Ferrites have high resistance Ferrites have high resistance None of the listed here Ferrites have low permeability Ferrites have high resistance Ferrites have high resistance None of the listed here Ferrites have low permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Those materials are well suited for making permanent magnets which have ________ retentivity and ________ coercivity. Low, high High, high Low, low High, low Low, high High, high Low, low High, low ANSWER DOWNLOAD EXAMIANS APP
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