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The line the draws power supply to your ...

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

A

zero average current

B

220 V average voltage

C

voltage and current out of phase by `90^(@)`

D

voltage and current possibly different in phase `phi` such that `|phi|lt pi/2`

Text Solution

Verified by Experts

The correct Answer is:
A, D
For house hold supplies, AC currents are used which are having zero average value over a cycle.
The line is having some resistance so power factor `cosphi=R/Z=0`
So, `phi=pi//2 rArr phi, lt pi/2`
i.e., phase the lies between 0 and `pi//2`.
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