Somebody please give the graph of XL (Resistance of Inductor) and F (Force) graph for D.C.
Answers
Explanation:
For ideal case, yes. Since the supply is pure dc voltage, i.e. battery;thus the current flow though the inductor also a pure dc (=constant current) with f=OHz, which yield:
XL=2.phi.f.L=2.phi.(0).L=0Hz ( for all L, XL =0) just like Mr. Mustapha. .... (1)
Or you can use:
V=L.di/dt =L d(constanta)/dt= 0 volt. The differential of constant always zero. ....(2)
If the voltage drop on the inductor is zero, then the inductor is short. This mean that the impedance of inductor is 0 (ohm).
In other case, if the source is a rectifier without any filter, this will provide non-pure dc voltage source. This is also mean that the f is not equal to zero. You can use both (1) and (2) to calculate the XL. The value of XL will not equal to zero.
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Answer:
CHECK THE ATTACHED FIGURE✨
The slope shows that the “Inductive Reactance” of an inductor increases as the supply frequency across it increases.
Therefore Inductive Reactance is proportional to frequency giving:
( XL α ƒ )
