Equation for instantaneous voltage is V = 220 × √2 sin 2π (50)t = 311 sin 314t. Class 12 Physics Chapter 7 Alternating current Session 2024-2025.
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Mutual inductance of two neighbouring coils is numerically equal to the amount of magnetic flux linked with one coil when unit current flows through the other coil. Class 12 Physics Chapter 6 Electromagnetic Induction Session 2024-2025.
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, ...
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 ...