show that in an AC circuit containing a puree inductance 10 mH connected in parallel with capacitor of capicity 50 pF. determine the resonant frequency.
Answers
Answered by
0
Explanation:
AC voltage applied to an inductor
Source, v=v
m
sinωt
Using Kirchhoff's loop rule, ∑ε(t)=0
v−L
dt
di
=0
dt
di
=
L
v
=
L
v
m
sinωt
Integrating
dt
di
with respect to time,
∫
dt
di
dt=
L
v
m
∫sin(ω)dt
i=−
ω
v
m
Lcos(ωt)+constant
−cosωt=sin(ωt−
2
π
)
∴i=i
m
sin(ωt−
2
π
)
∵ Where, i
m
=
ωL
v
m
is the amplitude of current
Answered by
0
Answer:
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