Magnetic Circuit Those magnetic materials are best suited for making armature and transformer cores which have ________permeability and _________hysteresis loss. Low, high Low, low High, low High, high Low, high Low, low High, low High, high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Point out the wrong statement. Magnetic leakage is undesirable in electric machines because it Leads to their increased weight Lowers their power efficiency Produces fringing Increases their cost of manufacture Leads to their increased weight Lowers their power efficiency Produces fringing Increases their cost of manufacture ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Permeability in a magnetic circuit corresponds to_________ in an electric circuit. Resistivity Conductance Resistance Conductivity Resistivity Conductance Resistance Conductivity ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Energy stored by a coil is doubled when its current is increased by percent. 47.5 42.5 41.4 44.6 47.5 42.5 41.4 44.6 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hard steel is suitable for making permanent magnets because Its mechanical strength is high Its mechanical strength is low Its hysteresis loop has large area It has good residual magnetism Its mechanical strength is high Its mechanical strength is low Its hysteresis loop has large area It has good residual magnetism ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Silicon steel is used in electrical machines because it has Low retentivity High coercivity Low hysteresis loss Low coercivity Low retentivity High coercivity Low hysteresis loss Low coercivity ANSWER DOWNLOAD EXAMIANS APP