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Physics Magnetism and Matter

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New answer posted

3 weeks ago

Physics Magnetism and Matter NEET

Which are important topics of chapter 5 physics class 12 Magnetism and Matter?
0 Follower 3 Views

N
Nishtha Datta

Beginner-Level 5

There are various important topics in the physics chapter 5 class 12 magnetism and matter. These topics are important for both cases, conceptual and numerical questions. Read below:

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New answer posted

a month ago

Physics Magnetism and Matter Class 12th

The relative permeability (µr) of a substance is related to its susceptibility () as

 
0 Follower 1 View

A
alok kumar singh

Contributor-Level 10

Kindly go through the solution

 

New answer posted

a month ago

Physics Magnetism and Matter Class 12th

The figure illustrate how B, the flux density inside a sample of unmagnetised ferromagnetic material varies with B0, the magnetic flux density in which the sample is kept. For the sample to be suitable for making a permanent magnet :-

 
0 Follower 1 View

A
alok kumar singh

Contributor-Level 10

For permanent magnet, both retentivity & coercivity should be high.

New answer posted

a month ago

Physics Magnetism and Matter Class 12th

If the distance between successive compressions and rarefaction in a sound wave is 2 m and velocity of sound is 360 m/s, then the frequency is
0 Follower 1 View

A
alok kumar singh

Contributor-Level 10

Kindly go through the solution

 

New answer posted

a month ago

Physics Magnetism and Matter Class 12th

The relative permeability of iron is 5500. What is its magnetic susceptibility?
0 Follower 2 Views

A
alok kumar singh

Contributor-Level 10

Kindly go through the solution
 

 

New answer posted

a month ago

Physics Magnetism and Matter Class 12th

In stable equilibrium position, a body has
0 Follower 2 Views

A
alok kumar singh

Contributor-Level 10

F=-dU/dr in equilibrium position F = 0 and U is minimum

New answer posted

2 months ago

Physics Magnetism and Matter Class 12th

The B-H curve of two material are given below. Substance (a) most likely indicate

 
0 Follower 4 Views

A
alok kumar singh

Contributor-Level 10

B-H curve drawn for only ferromagnetic material.

New answer posted

2 months ago

Physics Magnetism and Matter Class 12th

The magnetic induction at the centre O in the figure shown is:

 
0 Follower 2 Views

A
alok kumar singh

Contributor-Level 10

Kindly go through the solution

 

New answer posted

2 months ago

Physics Magnetism and Matter Class 12th

Which of the following represent the variation of intensity of magnetisation (I) versus magnetising force (H) graph for a diamagnetic substance?

 
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A
alok kumar singh

Contributor-Level 10

Kindly go through the solution

 

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New answer posted

2 months ago

Physics Magnetism and Matter Class 12th

The correct expression in accordance with Gauss's law for magnetism is
0 Follower 2 Views

A
alok kumar singh

Contributor-Level 10

According to Gauss's law magnetism

? B ? . d s ? = 0

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