Service from : feb 6 to march 12 (34)days Previous bill amount: $26.62 PAYMENTS-

Question

Service from : feb 6 to march 12 (34)days

Previous bill amount: $26.62

PAYMENTS-) :26.62

New charges(+) : $48.08

Adjustments (+ or -) :$1.58

Amount due (=) : 49.66

Previous meter reading: 300081kWh Present Meter reading: 30512 kWh

Total usage: 431kWh Residential service:$46.68 Sales tax (3%) : $ 1.40 News Charges : $48.08

Questions :

a. State how much the household was charged for energy used in this cycle. Do not include taxes nor other fees ?

______$

b. What is the cost per kWh ? Do not include taxes nor other fees.

____$kWh

____cents- kWh

c. in Joules , how much energy did this household use ?

______J

d. The electric company has seen to it at each hoW is provided with roughly 120 V at each elesctrical outlet (there are a few that are 240 V but we'll ignore those ). Using this fact and your prvious answer (the power in W) determine the average current that was running through this house.

________A

E. How much would it cost you if youleft on all your lighyts 24 h? Express your answer in both dollars and cents?

______$

_______CENTS

Explanation / Answer

part a )

$46.68

part b )

total usage = 431 kWh

cost = $46.68

= 9.23 $kWh

in cent

431/4668 = 0.0923 cent-kWh

part c )

E = 1.55 x 10^9 J

part d )

4.4 A

part e )

12.672 kWh

in $ = 1.372

in cent = 137.2 cent

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