14
r
ν =ω
=
=
π
×
(b) The impedance Z at resonant condition is equal to the resistance:
3
Z
=R
=
Ω
The rms current at resonance is
=
=
= 


=
ZV
RV
283
2
31
66 7 A
The power dissipated at resonance is
2
(66 7)2
3
13 35 kW
P
I
R
=
×
=
×
=
You can see that in the present case, power dissipated
at resonance is more than the power dissipated in Example 7