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CBSE - XII Science - Physics - Moving Charges and Magnetism
ampere law
Asked by shantanumail24
9th March 2022,
7:04 PM
CBSE - XII Science - Physics - Moving Charges and Magnetism
the rate of change of potential difference across capacitor is 5×10^2 v/s . if capacitance is 2uF ,then displacement current between it's plate is ?
Asked by pushpakumari291279
1st October 2021,
11:08 AM
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
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
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
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
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
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
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
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
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
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
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
CBSE - XII Science - Physics - Moving Charges and Magnetism
Six parallel aluminum wires of small, but finite, radius lie in the same plane. The wires are separated by equal distances d, and they carry equal currents I in the same direction. Find the magnetic field at the center of the first wire. Assume that the current in each wire is uniformly distributed over its cross section.
Asked by Topperlearning User
8th May 2015,
8:16 AM
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
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
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
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
