6.) What is
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The "it must be five times larger" current change if the energy stored in the inductor is to remain the same.
<u>Explanation:</u>
A current produced by a modifying magnetic field in a conductor is proportional to the magnetic field change rate named INDUCTANCE (L). The expression for the Energy Stored, that equation is given by:
Here L is the inductance and I is the current.
Here, energy stored (U) is proportional to the number of turns (N) and the current (I).
mu not - permeability of core material
A -area of cross section
l - length
N - no. of turns in solenoid inductor
Now,given that the proportion always remains same:
In this way the expression
Thus, it suggest that "it must be five times larger" current change if the energy stored in the inductor is to remain the same.