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Question: The line that draws power supply to your house from street has...

The line that draws power supply to your house from street has

A

2202V220\sqrt{2}Vaverage voltage.

B

220 V average voltage.

C

Voltage and current out of phase by π/2\pi/2

D

Voltage and current possibly differing in phase φ\varphi such that∣φ∣<π2.|\varphi| < \frac{\pi}{2}.

Answer

Voltage and current possibly differing in phase φ\varphi such that∣φ∣<π2.|\varphi| < \frac{\pi}{2}.

Explanation

Solution

: As the line has some resistance (R≠0),(R \neq 0), voltage and current differ in phase φ\varphisuch that ∣φ∣<π2|\varphi| < \frac{\pi}{2}