A 50 W light bulb is plugged into a standard 110 V outlet. a) How much does it cost per month (31 days) to leave the light

Question

A 50 W light bulb is plugged into a standard
110 V outlet.
a) How much does it cost per month (31
days) to leave the light turned on? Assume
electric energy cost of 3.39 cents/kW · h.
Answer in units of dollars
b) What is the resistance of the bulb?
c) What is the current in the bulb?
Answer in units of mA

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Amity 3 years 2021-08-27T04:33:10+00:00 1 Answers 3 views 0

Answers ( )

  1. Edana
    0
    2021-08-27T04:35:03+00:00
    Reply

    Answer:

    $1.26

    Explanation:

    Power =energy/ time

    energy =powerxtime

    energy =50x31x24=37200

    =37.2kwh

    1kwh =3.39

    37.2kwh=3.39×37.2=126.108cent

    =$1.26

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