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Amperes Law Free Doubts and Solutions

CBSE - XII Science - Physics - Moving Charges and Magnetism

Dear Sir/Mam
can you please explain and solve the example 4.8 of NCERT BOOK OF PHYSICS in detail?

Asked by modi72879 28th November 2017, 6:57 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

drive the expression for the magnetic field around a straight current carrying conductor of finite size?
please explain in detail. earlier because tomorrow is my exam.

Asked by modi72879 24th November 2017, 9:29 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

1. what is the value of magnetic field within a hollow sphere made of ferromagnetic substance? and         explain why?
 
 
2. when a compass needle be placed at magnetic north pole how would it behave?if a dip needle be         placed at a place ,how would it behave?
 

Asked by vinodjoshi112233 23rd September 2017, 6:25 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

why ampere circuital law cannot be used in circular closed loop although circular loop has symmetrical stucture?

Asked by nikitaayyagari 20th July 2016, 12:27 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

St ate Ampere's circuital law. Show through an example how this law enables an easy evaluation of the magnetic field when there is a symmetry in the system

Asked by Rajeev 21st February 2016, 11:37 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

What is the limitation of Ampere’s circuital law?

Asked by Topperlearning User 19th May 2015, 9:45 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

A coaxial cable consists of inner conductor of radius 0.02 m and thin outer conductor of radius 0.06 m. What current is needed in this cable to produce a magnetic field of 10-5 T at a point located at a distance 0.03 m from the axis of the cable?

Asked by Topperlearning User 8th May 2015, 10:30 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

A z-axis directed very long wire of radius a carries a total z-axis directed current I. What is the magnetic field distribution, both inside and outside the wire, if the current is evenly distributed throughout the wire?

Asked by Topperlearning User 8th May 2015, 10:19 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

If the current in each wire is 2 amperes and the distance of each wire from point P1 and P2 is 1 cm, what is the net magnetic field at the point P1 and P2?

Asked by Topperlearning User 8th May 2015, 9:10 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

Plot and explain the graph for variation in magnetic field due to current through  a  long circular cylinder as we go from a point on the axix of cylinder to apoint lying outside it.

Asked by Topperlearning User 8th May 2015, 8:33 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

A horizontal overhead power line carries a current of 120 A in east to west direction. What is the magnitude and direction of the magnetic field due to the current 4.5 m south of the line?

Asked by Topperlearning User 8th May 2015, 8:28 AM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

State ampere’s circuital law and express it mathmatically.

Asked by Topperlearning User 28th April 2015, 3:37 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

In what way, a wire carrying a current is differ from a wire, which carries no current?

Asked by Topperlearning User 28th April 2015, 3:16 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

How can a person identify whether the magnetic field at a particular point is due to earth or due to some current carrying conductor?

Asked by Topperlearning User 28th April 2015, 3:07 PM
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CBSE - XII Science - Physics - Moving Charges and Magnetism

A rectangular loop of wire of size 4 cm × 10 cm carries a steady current of 2 A. A straight long wire carrying 5 A current is kept near the loop as shown. If the loop and the wire are coplanar, find

Asked by Topperlearning User 28th April 2015, 2:12 PM
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