Electromagnetic Induction MCQ Questions & Answers | Electrical Engineering

A. Air core

B. Laminated iron core

C. Iron core

D. Powdered iron core

A. 100 N

B. 400 N

C. 600 N

D. 1000 N

A. Unaffected

B. Doubled

C. Halved

D. Quadrupled

A. Yes

B. No

A. 10 V

B. 15 V

C. 25 V

D. 50 V

A. Aid the increasing current

B. Tend to decrease the amount of current

C. Produce current opposite to the increasing current

D. Aid the applied voltage

A. 32 mH

B. 38 mH

C. 40 mH

D. 48 mH

A. 6 H

B. 8 H

C. 12 H

D. 24 H

A. Variation in coil current

B. Variation in voltage to the coil

C. Change of number of turns of coil

D. The resistance of magnetic path

A. Permeability of the core

B. The number of their turns

C. Cross-sectional area of their common core

D. All of the above