Ngụkọta nke ojiji ike eletrik site na ngwaọrụ eletriki - nsogbu na ngwọta
1. N'ụlọ, e nwere oriọna ise nke a na-eji awa iri na anọ kwa ụbọchị, friji nke a na-eji awa iri abụọ na anọ kwa ụbọchị, yana ọkpọ mmiri nke a na-eji awa iri abụọ na ise kwa ụbọchị. Ike eletrik ole ka a na-eji otu ọnwa (ụbọchị iri atọ)?
A maara:
Ike nke oriọna = 5(25) = 125 Watt na oge eji ya = awa 14 x 30 = awa 420
Ike nke friji = Watts 200 na oge eji ya = awa 24 x 30 = awa 720
Ike nke ọkpọ mmiri = Watt 125 na oge eji ya = awa 8 x 30 = awa 240
Achọtara m: Ike eletriki ejiri mee ihe ruo otu ọnwa
Ngwọta:
Ike eletriki = ike eletriki x oge nkeji oge
Ike (oriọna) = (Watt 125) (awa 420) = awa 52,500 Watt = awa 52,5 Watt
Ike (friji) = (200 Watt) (awa 720) = awa 144,000 Watt = awa 144 Watt
Ike (mgbapụta mmiri) = (125 Watt) (awa 240) = awa 30,000 Watt = awa 30 Watt
Ike eletriki ejiri mee ihe ruo otu ọnwa = 52,5 + 144 + 30 = 226,5 kilo Watt hour = 226,5 kilo Watt hour = 226,5 kWh.
[irp]
2. Ụlọ eji ngwaọrụ eletriki dịka e depụtara na tebụl na-esonụ.
Ego ole ka ejiri ike eletriki mee ihe maka otu ọnwa (ụbọchị iri atọ)?
A maara:
Ike nke oriọna = 4 x 10 Watt = 40 Watt na oge eji ya = awa 10 x 30 = awa 300
Ike nke TV = 1 x 100 Watt = 100 Watt na oge ojiji = awa 10 x 30 = awa 300
Ike ígwè = 1 x 300 Watt = 300 Watt na oge eji ya = awa 2 x 30 = awa 60
Achọtara m: A na-eji ike eletriki eme ihe maka otu ọnwa
Ngwọta:
Ike eletriki = ike eletriki x oge
Ike oriọna ji eme ihe = (Watt 40)(awa 300) = awa 12,000 Watt = awa 12 Watt = awa 12 kWh
Ike TV ji eme ihe = (100 Watt)(awa 300) = awa 30,000 Watt = awa 30 Watt = awa 30 kWh
Ike ígwè ji eme ihe = (300 Watt)(awa 60) = awa 18,000 Watt = awa 18 Watt = awa 18 kWh
Ike zuru oke = 12 kWh + 30 kWh + 18 kWh = 60 kWh.
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3.
Ike eletriki nke ngwaọrụ eletriki atọ dị n'elu ji eme ihe bụ …
A. 158,400 Joule
B. 950,400 Joule
C. 5,860,800 Joule
D. 9,504,000 Joule
ngwọta
Ike eletriki nke TV:
P = VI = (220 Volt) (0.3 Ampere) = 66 Volt Ampere = 66 Watt = 66 Joule / sekọnd
Ike eletriki nke kọmputa:
P = VI = (220 Volt) (0.4 Ampere) = 88 Volt Ampere = 88 Watt = 88 Joule / sekọnd
Ike eletriki nke mgbapụta mmiri:
P = VI = (220 Volt) (0.5 Ampere) = 110 Volt Ampere = 110 Watt = 110 Joule / sekọnd
Oge etiti oge:
Awa iri = sekọnd iri na isii na narị atọ na isii = sekọnd iri atọ na isii
Awa iri = sekọnd iri na isii na narị atọ na isii = sekọnd iri atọ na isii
Awa iri = sekọnd iri na isii na narị atọ na isii = sekọnd iri atọ na isii
Ike eletriki = ike eletriki x oge
Ike eletriki nke TV ji eme ihe = Joules 66/sekọnd x sekọnd 36,000 = Joules 2,376,000
Ike eletriki nke kọmputa ji eme ihe = Joules 88/sekọnd x sekọnd 21,600 = Joules 1,900,800
Ike eletriki nke ọkpọ mmiri na-eji = Joules 110/sekọnd x sekọnd 14,400 = Joules 1,584,000
Ike eletrik niile:
Joules 2,376,000 + Joules 1,900,800 + Joules 1,584,000 = Joules 5,860,800
[irp]
4. Ezinụlọ na-eji ike eletriki eme ihe ruo otu ọnwa (ụbọchị 30) maka ngwaọrụ dịka dị na tebụl na-esote!
Igwe eji asa ákwà, TV na AC na-enye ike ọkụ eletrik…
Ngwọta:
Ike eletriki nke igwe ịsa ákwà = 12 kWh = 12,000 Watt hour, oge eji ya = awa 2 x 30 = awa 60
Ike eletriki nke TV = 19.2 kWh = 19,200 Watt hour, oge ojiji = awa 8 x 30 = awa 240
Ike eletriki nke AC = 72 kWh = awa 72,000 Watt, oge ojiji = awa 6 x 30 = awa 180
Ike eletriki = ike eletriki / oge
Ike ọkụ eletrik nke igwe ịsa ákwà = 12,000 Watt hour / 60 awa = 200 Watt
TV ike ọkụ eletrik = awa 19,200 Watt / awa 240 = Watt 80
Ike eletriki AC = awa 72,000 Watt / awa 180 = Watt 400
