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Two thin concentric and coplanar spharical shells ,of radii a and b (b greater then a) cary charges ,q andQ , respectively. find the magnitude of the electric field ,at a point distance x ,from their common center for (1)0 less then x and x is greater then a (2)a is less or equal x and x is less then b

Posted by Bhanu Pratap Singh 7 years, 3 months ago

CBSE > Class 12 > Physics

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What is use of electric field ????

Posted by Mohd Mohseem 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Rohini Mandal 7 years, 3 months ago

It is an alternative to Coulomb's law in electrostatics, it gives a method to find the force experienced by one charge due to the other in terms of the electric field produced by it.

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I have more more and problem in physics and I have no interest in it how I study to pass 12 exam

Posted by Shagufta Shabnam 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Aman Pathania 5 years, 4 months ago

Focus on NCERT and derivation only then

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WHAT IS Other NAME OF STATE COLOUMB?

Posted by Jaskirat Singh 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Rohini Mandal 7 years, 3 months ago

In electrostatics cgs system, the unit of charge is known as electrostatic unit of charge (e.s.u of charge) also known as statcoulomb

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Can there be charges inside the conductor but electric field is zero?

Posted by Ayushman Jaiswal 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Anurag Miyan 7 years, 3 months ago

the electric field of conductor is 0 because of opposite charge they cancel out each other so.....

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When the separation between two charges is increased ,the electric potential energy of the charges

Posted by Maneet Singh 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Rohini Mandal 7 years, 3 months ago

When the separation between two charges is increased then the electric potential energy decreases because the electric potential energy is inversely proportional to the distance between the charges.

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What is dielectrics?

Posted by Vivek Kumar 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Surabhi Priya 7 years, 3 months ago

It is an insulating material which transmits electric effects without actually conducting electricity.

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Value based question ke anser kha milenge

Posted by Keshav Rana 7 years, 3 months ago

CBSE > Class 12 > Physics

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Find the equivalent capacitance of system shown between the points X and Y..

Posted by Vikas Saini 7 years, 3 months ago

CBSE > Class 12 > Physics

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What is ampere

Posted by Deepak Kumar 7 years, 3 months ago

CBSE > Class 12 > Physics

2 answers

Nishi Tyagi 7 years, 3 months ago

Ampere is the unit of measure of rate of current flow in one second in an electronic conducter

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Saloni S 7 years, 3 months ago

Ampere is the unit of current

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electric field and electric potential at any point due to apoint charge in air are 20 n/c and 10 j/c.compute magnitude of this charge

Posted by Naman Jain 7 years, 3 months ago

CBSE > Class 12 > Physics

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Electronic theory of electric charging

Posted by Martin Kshetrimayum 7 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Martin Kshetrimayum 7 years, 4 months ago

Nnjjj

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What is importance of coulomb's law in vector form?

Posted by Simran Aujla 7 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Rohini Mandal 7 years, 3 months ago

It gives us an idea that: 1. The two charges exert equal and opposite forces on each other. 2. The electrostatic force is central in nature

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Value of permittivity

Posted by Rishi Jamwal 7 years, 4 months ago

CBSE > Class 12 > Physics

2 answers

Rhitika Rai 7 years, 3 months ago

9×10to power -2

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Ayush Gosawmi 7 years, 4 months ago

What is chemistry

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Ncert exercise question 15 of chapter 2

Posted by Ankit Kaswan 7 years, 4 months ago

CBSE > Class 12 > Physics

0 answers

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derivation of magnetic field due to a current carrying solenoid

Posted by Parvathy Anand 7 years, 4 months ago

CBSE > Class 12 > Physics

0 answers

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When is an electric dipole in a stable equilibrium in an electric field?

Posted by Shivam Mishra 5 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Rohini Mandal 7 years, 3 months ago

When the angle between the electric dipole and electric field is zero, i.e when the electric dipole lie parallel to the electric field

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What is amphere circuital law

Posted by Mansi Sharma 7 years, 4 months ago

CBSE > Class 12 > Physics

0 answers

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How much time is sufficient for studying physics per day to get good marks

Posted by Ritik Ranjan 7 years, 4 months ago

CBSE > Class 12 > Physics

2 answers

Surabhi Priya 7 years, 3 months ago

If you really want good marks then don't count time. Understand the concepts and concentrate in the class. Follow your class and solve numericals and questions regularly. That's all!

2Thank You

Tannya Pande 7 years, 4 months ago

At least 2hrs , 1 hr for numerical & 1hr for theory .?

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What is a horse shoe magnet

Posted by Sankeerth M 7 years, 4 months ago

CBSE > Class 12 > Physics