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ID: 1811952 • Letter: #
Question
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a.
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Determine I,
V
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R
and V
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c
in phasor form.
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b.
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Calculate the total power factor, and indicate whether it is
leading or lagging.
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c.
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Calculate the average power delivered to the circuit
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d.
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Draw the impedance diagram
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e.
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Draw the phasor diagram of the voltages E, V
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,V
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and the current I
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f.
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Find the voltages for
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V
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and
V
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using the voltage
divider rule, and compare them with the results of part
(a)
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g.
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Draw the equivalent series circuit of the above as far as the total
impedance and the current I are concerned
Explanation / Answer
w= 1000, Z= R+j(wl-1/wc) = 30-5.64j
minimum impedence at resonant frequency = 1/sqrt(LC) = 1132.27
Vrms = 20
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