In the left hand rule, forefinger always represents______________?

Related Mcqs:

The magnetic reluctance of a material______________?

A. decreases with increasing cross sectional area of material B. increases with increasing cross-sec-tional area of material C. does not vary with increasing cross-sectional area of material D. any of the above...

Magnetic moment is a_____________?

A. pole strength B. universal constant C. scalar quantity D. vector quantity...

When a magnet is in motion relative to a coil the induced e.m.f. does not depend upon____________?

A. resistance of the coil B. motion of the magnet C. number of turns of the coil D. pole strength of the magnet...

Which of the following is the unit of magnetic flux density ?

A. weber B. lumens C. tesla D. none of the above...

Magnetising steel is normals difficult because____________?

A. it corrodes easily B. it has high permeability C. it has high specific gravity D. it has low permeability...