Magnetic Circuit The relative permeability of a ferromagnetic material is More than one More than 100 Ωr 1000 Less than one More than 10 More than one More than 100 Ωr 1000 Less than one More than 10 ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Silicon steel is used in electrical machines because it has High coercivity Low coercivity Low retentivity Low hysteresis loss High coercivity Low coercivity Low retentivity Low hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit While comparing magnetic and electric circuits, the flux of magnetic circuit is compared with which parameter of electrical circuit? E.M.F Conductivity Current Current density E.M.F Conductivity Current Current density ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Reciprocal of reluctance is Permeability Reluctivity Susceptibility Permeance Permeability Reluctivity Susceptibility Permeance ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Hard steel is suitable for making permanent magnets because It has good residual magnetism Its mechanical strength is low Its hysteresis loop has large area Its mechanical strength is high It has good residual magnetism Its mechanical strength is low Its hysteresis loop has large area Its mechanical strength is high ANSWER DOWNLOAD EXAMIANS APP
Magnetic Circuit Energy stored by a coil is doubled when its current is increased by percent. 44.6 42.5 47.5 41.4 44.6 42.5 47.5 41.4 ANSWER DOWNLOAD EXAMIANS APP