II- Determine the consuming energy in (kw h) and the monthly cost for the building, if the electrical devices are working as shown in the table Consuming current per device Amp Working time (Hour per day) Number Number of No Device Type of items phase AC unit computer Photo copy TV LED light 14 0.8 single 1.75 0.2 12 10 5. Note : the voltage apply equals 220 volt 20 If the cost of one-unit energy (40 ID per kWh)

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Il- Determine the consuming energy in (kw h) and the monthly cost for the buiklding, if the electrical devices are
working as shown in the table
Consuming current per
Number
Number of
Working time
(Hour per day)
No
Device Type
device
of items
phase
Amp
AC unit
computer
Photo copy
TV
LED light
Note: the voltage apply equals 220 volt
14
0.8
3
2
2
single
4
1.75
12
10
20
0.2
If the cost of one-unit energy (40 ID per kWh)
Transcribed Image Text:Il- Determine the consuming energy in (kw h) and the monthly cost for the buiklding, if the electrical devices are working as shown in the table Consuming current per Number Number of Working time (Hour per day) No Device Type device of items phase Amp AC unit computer Photo copy TV LED light Note: the voltage apply equals 220 volt 14 0.8 3 2 2 single 4 1.75 12 10 20 0.2 If the cost of one-unit energy (40 ID per kWh)
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Step 1

Total energy consumption= no. Of appliances * total voltage across appliance* current flowing through appliance* hours* no. Of days.

 

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