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farendrn farendrn
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An AC circuit has a 40-ΩR, 90-ΩXL, and a 60-ΩXC, all in series. The impedance Z equals  



50 Ω.



70.7 Ω.



110 Ω.



190 Ω.

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Electricity for the Trades

Electricity for the Trades


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Akabbett1Akabbett1
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