The attraction capacity of electromagnet will increase if the_______________?

Related Mcqs:

The stray line of magnetic flux is defined as_____________?

A. a line vertical to the flux lines B. the mean length of a ring shaped coil C. a line of magnetic flux in a non-uniform field D. a line of magnetic flux which does not follow the designed path...

he retentivity (a property) of material is useful for the construction of__________?

A. permanent magnets B. transformers C. non-magnetic substances D. electromagnets...

Which of the following is expected to have the maximum permeability ?

A. Brass B. Copper C. Zinc D. Ebonite...

Which of the following is a ferromagnetic material ?

A. Tungsten B. Aluminium C. Copper D. Nickel...

The two conductors of a transmission line carry equal current I in opposite directions. The force on each conductor is________________?

A. proportional to 7 B. proportional to X C. proportional to distance between the conductors D. inversely proportional to I...