Which of the following is the commonly used type of electromagnets ?

Related Mcqs:

In _________ machines, the size of the shaft is decided by the critical speed which depends on the deflection of the shaft?

A. small B. medium C. large D. any of the above....

_______________is universally used for windings of electrical machines because it is easily workable without any possibility of fracture?

A. Silver B. Steel C. Aluminium D. Copper...

In self cooled motors the cooling time constant is about ___________ than the heating time constant because cooling conditions are worse at standstill?

A. 2 to 3 times greater B. 3 to 4 times greater C. 4 to 5 times greater D. none of the above...

In D.C. machines the number of slots per pole usually lies___________?

A. between 2 to 4 B. between 6 to 8 C. between 9 to 16 D. between 20 to 30...

The cold rolled grain oriented steel has _________ permeability in the direction of the grain orientation?

A. minimum B. maximum C. nil D. none of the above...