Part A

A resistor with $\backslash ($ R$=340\backslash$Omega $\backslash )$ and an inductor are connected in series across an ac source that has voltage amplitude $490$ V $.$ The rate at which electrical energy is dissipated in the resistor is $286$ W $.$

What is the impedance $\backslash ($ Z $\backslash )$ of the circuit?

Express your answer with the appropriate units.

$\backslash ($ Z$=\backslash )$

Units

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Part B

What is the amplitude of the voltage across the inductor?

Express your answer to two significant figures and include the appropriate units.

$\backslash [$

V$\_\{$L$\}=$

$\backslash ]$

Units

Part C

What is the power factor?

Express your answer to two significant figures and include the appropriate units.