The change of cross-sectional area of conductor in magnetic field will affect______________?

Related Mcqs:

For which of the following materials the net magnetic moment should be zero ?

A. Diamagnetic materials B. Ferrimagnetic materials C. Antiferromagnetic materials D. Antiferrimagnetic materials...

What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200 ?

A. 2 B. 4 C. 6 D. 8...

The electromagnet has 50 turns and a current of 1A flows through the coil. If the length of the magnet circuit is 200 mm, what is the magnetic field strength ?

A. 2500 AT/m B. 250 AT/m C. 25 AT/m D. 2.5 AT/m...

The working of a meter is based on the use of a permanent magnet. In order to protect the meter functioning from stray magnetic fields______________?

A. meter is surrounded by strong magnetic fields B. a soft iron shielding is used C. a plastic shielding is provided D. a shielding of anon-magnetic material is used...

Materials subjected to rapid reversal of magnetism should have______________?

A. large area oiB-H loop B. high permeability and low hysteresis loss C. high co-ercivity and high retentivity D. high co-ercivity and low density...