EASY
12th ICSE
IMPORTANT
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What is motional emf? State any two factors on which it depends.

Important Questions on Electromagnetic Induction

EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 11 - Electromagnetic Induction>QUESTIONS>Q 6
What do you mean by self-induction?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 11 - Electromagnetic Induction>QUESTIONS>Q 7
Define the term ‘self-inductance’. Write its SI unit.
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 11 - Electromagnetic Induction>QUESTIONS>Q 8
The coefficient of self-induction of a coil is 1 henry. What do you mean by this statement?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 11 - Electromagnetic Induction>QUESTIONS>Q 9
Show that the SI unit of inductance, henry is equal to volt-second/ampere.
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 11 - Electromagnetic Induction>QUESTIONS>Q 10
The SI unit of coefficient of induction is henry. Using any defining equation for L or M show that
1 henry = 1 ohm second.
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 11 - Electromagnetic Induction>QUESTIONS>Q 11
What is an inductor? Are the connecting wires in a circuit inductors?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 11 - Electromagnetic Induction>QUESTIONS>Q 12
Why are the coils of a resistance box made of doubled wire?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 11 - Electromagnetic Induction>QUESTIONS>Q 13
In Wheatstone’s bridge experiment, first the cell-key is pressed and then the galvanometer key, why?