The current flowing through solenoid coil decrease. As the iron core is inserted into the solenoid, the magnetic field and consequently the magneti flux increases. in accordance with Lenz;s law the induced current resists the increase in magnetic flux. Hence, ...
Category: Class 12 Physics
NCERT Solutions for Class 12 Physics updated for CBSE academic session 2021-2022.
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(i) The ball of superconduction material behaves as a perfect diamagnet and therefore moves away from the bar magnet. (ii) The direction of induced magnetic moment developed in ball is opposite to the direction of magnetic moment of bar magnet.
The given magnetic material is a paramagnetic material. The modification of field patter in such a material. Class 12 Physics Chapter 5 Magnetism and Matter Session 2024-2025.
(a) For definition of magnetic susceptibility, see Point Number 23 under the heading “Chapter At A Glance”. Magnetic susceptibility X = u^r – 1, where u^r is the relative permeability of given material. (b) The magnetic materials A, whose relative ...
As susceptibility of a magnetic material is – 2.6 × 10-⁵, the material is a diamagnetic material. two important properties of these materials are: (i) These are feebly repelled by a magnetic field and tend to move from stronger to ...