MAGNETISM AND ELECTROMAGNETISM QUIZ

12 mA

1.7 mA

16 mA

120 mA

91 T

9.7 T

91.7 T

917 T

Any of the listed here

Increases with increasing cross-sec-tional area of material

Decreases with increasing cross sectional area of material

Does not vary with increasing cross-sectional area of material

The voltage across the two ends of exciting coil

The passage of magnetic field through an exciting coil

The sum of all currents embraced by one line of magnetic field

The flow of an electric current

All of the listed here

Heating

Hammering

By inductive action of another magnet

Diamagnetic

Paramagnetic

Ferromagnetic

None of the listed here

ferromagnetic substances

diamagnetic substances

None of these

non-magnetic substances

Ferrites

Ferromagnetic materials

Paramagnetic materials

Diamagnetic materials

Current, magnetic field and direction of force on a conductor

Current, induced e.m.f. and direction of force on a conductor

Magnetic field, electric field and direction of force on a conductor

Self induction, mutual induction and direction of force on a conductor

Copper

Silver

Silver and copper

Iron