ELECTROMAGNETIC INDUCTION QUIZ

Mutual inductance between two coils only

None of the listed here

Self-inductance of two coils only

Mutual inductance and self inductance of two coils

Laminated iron core

Iron core

Powdered iron core

Air core

All of the listed here

The number of their turns

Cross-sectional area of their common core

Permeability of the core

The laminations are stacked vertically

The laminations are insulated from each other

The magnetic flux is concentrated in the air gap of the core

More wire can be used with less D.C. resistance in coil

0.1 s

0.5 s

0.2 s

None of the listed here

15 V

10 V

25 V

12 V

100 ohms

500 ohms

5000 ohms

1000 ohms

Lenz's law

Fleming's right hand rule

Laplace's law

Kirchhoff s voltage law

900 uH

300 uH

600 uH

1200 uH

1000 N

300 N

100 N

400 N