28 Korontada - dhibaatooyinka iyo xalalka
1. Xisaabi hadda koronto laambad 10 Watt ah oo loogu talagalay 12 Volts.
La yaqaan:
Power (P) = 10 Watt
Danab (V) = 220 Volt
La Raadinayo: Koronto koronto
Xalka:
Awoodda laambadda = 10 Watts = 10 Joules/ilbiriqsi
Isle'egta hoose waxay muujinaysaa xiriirka ka dhexeeya korontada (P), awoodda korantada (V) iyo koronto (I) oo lagu sheegay qaacidada hoose:
P = VI
Koronto koronto:
I = P / V = 10 / 220 = 1/22 = 0.045 Amper
2. Xisaabi awoodda korantada iyadoo loo eegayo wareegga korantada ee hoose.
La yaqaan:
Iska caabbinta 1 (R 1 ) = 6 Ω
Iska caabbinta 2 (R 2 ) = 6 Ω
Danabka korontada (V) = 24 Volts
La doonayo: Awooda korontada
Xalka:
Iska-caabin u dhiganta:
R 1 iyo R 2 waxay ku xiran yihiin taxane. Iska caabinta u dhiganta:
R = R1 + R2 = 6 Ω + 6 Ω = 12 Ω
Korontada:
I = V/R = 24/12 = 2 Ampere
Awoodda Korontada:
P = VI = (24)(2) = 48 Watts = 48 Joules/ilbiriqsi
3. Xisaabi qulqulka korontada ee 3 kiloWatt oo loogu talagalay 150 Volts.
La yaqaan:
Koronto (P) = 3 kilowatt = 3000 Watt
Danabka korontada (V) = 150 Volts
La Raadinayo: Koronto koronto (I)
Xalka:
Xiriirka ka dhexeeya korontada (P), awoodda korontada (V) iyo qulqulka korontada (I) waxaa lagu sheegay qaacidada hoose:
P = VI
Korontada:
I = P/V
I = 3000 Watts / 150 Volts
I = 20 Amperes
4. Xisaabi awoodda iska caabinta \(10\,\Omega\) oo leh hadda \(5\,A\).
Xalka: \( P = I^2 R = 5^2 \jeer 10 = 250\,W \)
5. Go'aami awoodda wareegga oo leh iska caabinta \(12\,V\) iyo \(4\,\Omega\).
Xalka: \( P = \frac{V^2}{R} = \frac{12^2}{4} = 36\,W \)
6. Nalalka \(60\,W\) waxay u shaqeeyaan \(3\,h\). Xisaabi tamarta la isticmaalay.
Xalka: \( E = Bt = 60 \ jeer 3 = 180 \, Wh = 0.18 \,kWh \)
7. Xisaabi hadda qalabka (200W) ee ku jira sahay (100V).
Xalka: \( I = \frac{P}{V} = \frac{200}{100} = 2\,A \)
8. Soo hel iska caabbinta kuleyliyaha isticmaala \(1200\,W\) at \(240\,V\).
Xalka: \( R = \frac{V^2}{P} = \frac{240^2}{1200} = 48\,\Omega \)
9. Baytari \(9\,V\) ah ayaa ku xiran iska caabin \(3\,\Omega\). Soo hel korontada meesha ka baxday.
Xalka: \( P = \frac{V^2}{R} = \frac{9^2}{3} = 27\,W \)
10. Xisaabi awoodda ku jirta iska caabinta \(10\,\Omega\) oo leh sahay \(100\,V\).
Xalka: \( P = \frac{V^2}{R} = \frac{100^2}{10} = 1000\,W \)
11. Go'aami danabka loo baahan yahay si loo kala diro \(50\,W\) ee iska caabinta \(10\,\Omega\).
Xalka: \( V = \sqrt{PR} = \sqrt{50 \times 10} = 22.36\,V \)
12. Matoorku wuxuu isticmaalaa \(1500\,W\) wuxuuna u shaqeeyaa \(4\,h\). Soo hel tamarta la isticmaalay.
Xalka: \( E = Bt = 1500 \ jeer 4 = 6000 \, Wh = 6 \,kWh \)
13. Soo hel hadda korontada saadka \(240\,V\) haddii korontadu tahay \(1200\,W\).
Xalka: \( I = \frac{P}{V} = \frac{1200}{240} = 5\,A \)
14. Xisaabi iska caabinta nalka \(100\,W\) ee ka shaqeeya \(200\,V\).
Xalka: \( R = \frac{V^2}{P} = \frac{200^2}{100} = 400\,\Omega \)
15. Go'aami awoodda ku jirta wareegga \(3\,A\) oo leh iska caabin \(15\,\Omega\).
Xalka: \( P = I^2 R = 3^2 \jeer 15 = 135\,W \)
16. Xisaabi danabka loo baahan yahay si loo kala diro \(100\,W\) ee iska caabinta \(20\,\Omega\).
Xalka: \( V = \sqrt{PR} = \sqrt{100 \times 20} = 44.72\,V \)
17. Soo hel tamarta ay isticmaasho taageere u shaqeeya ((300\,W\) oo u shaqeeya (2\,h\).
Xalka: \( E = Bt = 300 \ jeer 2 = 600 \, Wh = 0.6 \,kWh \)
18. Xisaabi hadda ku jira wareegga iyadoo la adeegsanayo awoodda \(1000\,W\) iyo danab \(250\,V\).
Xalka: \( I = \frac{P}{V} = \frac{1000}{250} = 4\,A \)
19. Go'aami iska caabbinta mashiinka rootiga lagu dubo ee ku shaqeeya \(400\,W\).
Xalka: \( R = \frac{V^2}{P} = \frac{100^2}{400} = 25\,\Omega \)
20. Soo hel awoodda danab \(20\,V\) oo ku wareegsan iska caabin \(5\,\Omega\).
Xalka: \( P = \frac{V^2}{R} = \frac{20^2}{5} = 80\,W \)
21. Xisaabi danabka loo baahan yahay si loo siiyo \(200\,W\) iska caabinta \(25\,\Omega\).
Xalka: \( V = \sqrt{PR} = \sqrt{200 \times 25} = 50\,V \)
22. Go'aami tamarta uu isticmaalo mishiinka \(500\,W\) ee u shaqeeya \(5\,h\).
Xalka: \( E = Bt = 500 \ jeer 5 = 2500 \, Wh = 2.5 \,kWh \)
23. Soo hel koronto-wade nal ah oo ka shaqeeya \(60\,W\) oo ku shaqeeya \(120\,V\).
Xalka: \( I = \frac{P}{V} = \frac{60}{120} = 0.5\,A \)
24. Xisaabi iska caabinta laambad \(40\,W\) oo ku socota \(20\,V\).
Xalka: \( R = \frac{V^2}{P} = \frac{20^2}{40} = 10\,\Omega \)
25. Go'aami awoodda ku jirta wareegga \(5\,A\) oo leh iska caabin \(12\,\Omega\).
Xalka: \( P = I^2 R = 5^2 \jeer 12 = 300\,W \)
26. Xisaabi danabka loo baahan yahay si loo gaarsiiyo \(150\,W\) iska caabinta \(15\,\Omega\).
Xalka: \( V = \sqrt{PR} = \sqrt{150 \times 15} = 61.24\,V \)
27. Soo hel tamarta ay isticmaasho qaboojiyaha hawada ee u shaqeeya (3,h).
Xalka: \( E = Bt = 800 \ jeer 3 = 2400 \, Wh = 2.4 \,kWh \)
28. Go'aami qulqulka ku jira wareegga oo leh awood \(500\,W\) iyo danab \(125\,V\).
Xalka: \( I = \frac{P}{V} = \frac{500}{125} = 4\,A \)
