Silicon steel is used in electrical machines because it has_____________?

Related Mcqs:

When both the inductance and resistance of a coil are doubled the value of________________?

A. time constant remains unchanged B. initial rate of rise of current is doubled C. final steady current is doubled D. time constant is halved...

Conductivity is analogous to____________?

A. retentivity B. resistivity C. permeability D. inductance...

Hysteresis loss least depends on____________?

A. volume of material B. frequency C. steinmetz coefficient of material D. ambient temperature...

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...

The unit of magnetic flux is______________?

A. henry B. weber C. ampereturn/weber D. ampere/metre...