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24-10-2018
Mathematics

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In a parallel circuit, ET = 240 V, R = 330 Ω, and XL = 420 Ω. What is Z?

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quiescentdulcet quiescentdulcet

24-10-2018

Answer:

Z = 258Ω

Step-by-step explanation:

There are two methods of solving this question,

First method

Z = ( RXL)/ sqr rt ( R²+XL²)

Z= (330 Ω × 420 Ω)/ sqr rt ( 330 Ω² + 420 Ω²)

Z = 138600 Ω /534

Z = 259 Ω

THE second complete method is given in attachment below

Ver imagen quiescentdulcet

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