What do you mean by self-induction?

Important Questions on Electromagnetic 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?

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 11 - Electromagnetic Induction>QUESTIONS>Q 14

What is an ideal inductor? Why inductors are made of copper?