An inductor also has a reactance. The inductive reactance X L can be modeled as

Question

An inductor also has a reactance. The inductive reactance XL can be modeled as

XL=L

Where L is the inductance of the inductor. For a purely inductice circuit Z=XL

a. If the angular frequence of the circuit is large, is the circuit changing rapidly or slowly?

b. Given an inductor of fixed inductance L, in a circuit with very large angular frequency, is XL Large or small?

c. Given an inductor of fixed incuctance L, in a circuit with a very large angular frequency, does the current flow quickly or slowly in the circuit?

d. If you had a circuit with both a capacitor and inductor in it, how would you expect the curren to behave at low angular frequencies? At high angular frequencies?

Explanation / Answer

a) slowly.

b) large

c) slowly

d) at low frequency Xc is lage and at higher frequency XL is large so in both cases current is small

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