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NCERT solutions for Physics [English] Class 12 chapter 6 - Electromagnetic Induction [Latest edition]

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NCERT solutions for Physics [English] Class 12 chapter 6 - Electromagnetic Induction - Shaalaa.com
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Solutions for Chapter 6: Electromagnetic Induction

Below listed, you can find solutions for Chapter 6 of CBSE, Karnataka Board PUC NCERT for Physics [English] Class 12.


EXERCISES
EXERCISES [Pages 175 - 176]

NCERT solutions for Physics [English] Class 12 6 Electromagnetic Induction EXERCISES [Pages 175 - 176]

EXERCISES | Q 6.1 (a) | Page 175

Predict the direction of induced current in the situation described by the following figure.

EXERCISES | Q 6.1 (b) | Page 175

Predict the direction of induced current in the situation described by the following figure.

EXERCISES | Q 6.1 (c) | Page 175

Predict the direction of induced current in the situation described by the following figure.

EXERCISES | Q 6.1 (d) | Page 175

Predict the direction of induced current in the situation described by the following figure.

EXERCISES | Q 6.1 (e) | Page 175

Predict the direction of induced current in the situation described by the following figure.

EXERCISES | Q 6.1 (f) | Page 175

Predict the direction of induced current in the situation described by the following figure.

EXERCISES | Q 6.2 (a) | Page 175

Use Lenz’s law to determine the direction of induced current in the situation described by the figure:

A wire of irregular shape turning into a circular shape.

EXERCISES | Q 6.2 (b) | Page 176

Use Lenz’s law to determine the direction of induced current in the situation described by the figure.

A circular loop being deformed into a narrow straight wire.

EXERCISES | Q 6.3 | Page 176

A long solenoid with 15 turns per cm has a small loop of area 2.0 cmplaced inside the solenoid normal to its axis. If the current carried by the solenoid changes steadily from 2.0 A to 4.0 A in 0.1 s, what is the induced emf in the loop while the current is changing?

EXERCISES | Q 6.4 | Page 176

A rectangular wire loop of sides 8 cm and 2 cm with a small cut is moving out of a region of uniform magnetic field of magnitude 0.3 T directed normal to the loop. What is the emf developed across the cut if the velocity of the loop is 1 cm s−1 in a direction normal to the

  1. longer side,
  2. shorter side of the loop? 

For how long does the induced voltage last in each case?

EXERCISES | Q 6.5 | Page 176

A 1.0 m long metallic rod is rotated with an angular frequency of 400 rad s−1 about an axis normal to the rod passing through its one end. The other end of the rod is in contact with a circular metallic ring. A constant and uniform magnetic field of 0.5 T parallel to the axis exists everywhere. Calculate the emf developed between the centre and the ring.

EXERCISES | Q 6.6 | Page 176

A horizontal straight wire 10 m long extending from east to west is falling with a speed of 5.0 m s−1, at right angles to the horizontal component of the earth’s magnetic field, 0.30 × 10−4 Wb m−2.

  1. What is the instantaneous value of the emf induced in the wire?
  2. What is the direction of the emf?
  3. Which end of the wire is at the higher electrical potential?
EXERCISES | Q 6.7 | Page 176

Current in a circuit falls from 5.0 A to 0.0 A in 0.1 s. If an average emf of 200 V induced, give an estimate of the self-inductance of the circuit.

EXERCISES | Q 6.8 | Page 176

A pair of adjacent coils has a mutual inductance of 1.5 H. If the current in one coil changes from 0 to 20 A in 0.5 s, what is the change of flux linkage with the other coil?

Solutions for 6: Electromagnetic Induction

EXERCISES
NCERT solutions for Physics [English] Class 12 chapter 6 - Electromagnetic Induction - Shaalaa.com

NCERT solutions for Physics [English] Class 12 chapter 6 - Electromagnetic Induction

Shaalaa.com has the CBSE, Karnataka Board PUC Mathematics Physics [English] Class 12 CBSE, Karnataka Board PUC solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. NCERT solutions for Mathematics Physics [English] Class 12 CBSE, Karnataka Board PUC 6 (Electromagnetic Induction) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.

Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.

Concepts covered in Physics [English] Class 12 chapter 6 Electromagnetic Induction are Self Inductance, Overview - Electromagnetic Induction, Magnetic Flux, Lenz’s Law and Conservation of Energy, Electromagnetic Induction, The Experiments of Faraday and Henry, Motional Electromotive Force (e.m.f.), Mutual Inductance, Energy Consideration: a Quantitative Study, Eddy Currents or Foucault Currents, Induced Current and Induced Charge, A.C. Generator, Faraday's Laws of Electromagnetic Induction, Self Inductance, Overview - Electromagnetic Induction, Magnetic Flux, Lenz’s Law and Conservation of Energy, Electromagnetic Induction, The Experiments of Faraday and Henry, Motional Electromotive Force (e.m.f.), Mutual Inductance, Energy Consideration: a Quantitative Study, Eddy Currents or Foucault Currents, Induced Current and Induced Charge, A.C. Generator, Faraday's Laws of Electromagnetic Induction.

Using NCERT Physics [English] Class 12 solutions Electromagnetic Induction exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in NCERT Solutions are essential questions that can be asked in the final exam. Maximum CBSE, Karnataka Board PUC Physics [English] Class 12 students prefer NCERT Textbook Solutions to score more in exams.

Get the free view of Chapter 6, Electromagnetic Induction Physics [English] Class 12 additional questions for Mathematics Physics [English] Class 12 CBSE, Karnataka Board PUC, and you can use Shaalaa.com to keep it handy for your exam preparation.

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