Mathata a Rarollotsoeng Fisiks ea Motheo

Molao oa pele oa Kirchhoff – mathata le litharollo 1. Ho latela setšoantšo se bontšitsoeng ka tlase, haeba I1 = 5A, I2 = 3 A, I3 = 6 A, joale I4 = ……… Tharollo: Molao oa pele oa Kirchhoff o bolela hore kakaretso ea maqhubu 'ohle a kenang moo ho kopanang teng e tlameha ho lekana le kakaretso ea maqhubu 'ohle a tsoang moo ho kopanang teng. … Bala haholoanyane

Maqhubu a potolohang le a bolelele ba limithara tse 3 – mathata le litharollo 1. Leqhubu le tsamaea ka terata e bolelele ba limithara tse 3 metsotsoana e 0.3. Nako ea leqhubu ke efe? Tse tsejoang: Nako ea nako (t) = metsotsoana e 0.3 Ho batloa: Nako (T) Tharollo: Bolelele ba bolelele bo le 1 = li-crests tse 1 + li-trough tse 1 Nako = 2 x 0.1 … Bala haholoanyane

Matla a ho tjhesa – mathata le ditharollo 1. Boloko ba lehong bo bolelele = 2.5 m, bophara = 0.5 m le bophahamo = 0.4 m. Boima ba metsi ke 1000 kg/m3. Haeba boloko bo kentswe ka metsing, matla a ho tjhesa ke afe… Ho potlaka ka lebaka la matla a khoheli ke 10 N/kg. Tse tsebahalang: Bophahamo... Bala haholoanyane

25 Matla a motlakase – mathata le ditharollo 1. Lebone la motlakase la 220 V – 5 le sebediswa metsotso e 30. Le hloka matla a makae? Tharollo: Motlakase (V) = 220 Volts Motlakase wa motlakase (I) = 5 Ampere Nako (t) = metsotso e 30 = 30 x 60 metsotsoana = 1800 metsotsoana Matla a motlakase … Bala haholoanyane

28 Matla a motlakase – mathata le ditharollo 1. Bala motlakase wa lebone la 10 Watt le etseditsweng di-Volt tse 12. Tse tsejwang: Matla (P) = 10 Watt Voltage (V) = 220 Volt Ho batlwa: Motlakase wa motlakase Tharollo: Matla a lebone = 10 Watt = 10 Joule/motsotswana Tekanyo e ka tlase e bontsha kamano pakeng tsa … Bala haholoanyane

25 Enjene ea Carnot (ts'ebeliso ea molao oa bobeli oa thermodynamics) - mathata le litharollo 1. Enjene e sebetsa pakeng tsa 1200 Kelvin le 300 Kelvin. Bokgoni ba enjene ena ke bofe? Tse tsejoang: Mocheso o phahameng (TH) = 1200 K Mocheso o tlase (TL) = 300 K Ho batloa: Bokgoni (e) Tharollo: 2. Enjene e sebetsa pakeng tsa … Bala haholoanyane

30 Enjene ea mocheso (ts'ebeliso ea molao oa bobeli oa thermodynamics) – mathata le litharollo 1. Ho kenya mocheso QH = 3000 Joules le tlhahiso ea mocheso QL = 1000 Joules. Bokhoni ba enjene ea mocheso ke bofe? Tse tsejoang: Ho kenya mocheso (QH) = 3000 Joules Tlhahiso ea mocheso (QL) = 1000 Joules Mosebetsi o etsoang ke enjene … Bala haholoanyane

30 Mekhoa ea thermodynamics ea Isobaric - mathata le litharollo 1. Setšoantšo sa PV se ka tlase se bontša khase e loketseng e fetang ts'ebetsong ea isobaric. Bala mosebetsi o etsoang ke khase ts'ebetsong AB. Tse tsejoang: Khatello (P) = 5 x 105 N/m2 Bophahamo ba pele (V1) = 2 m3 Bophahamo ba ho qetela (V2) = 6 m3 Ho batloa: … Bala haholoanyane

30 Mekhoa ea thermodynamics ea Isochoric - mathata le litharollo 1. Setšoantšo sa PV se ka tlase se bontša khase e loketseng e fetang ts'ebetsong ea isochoric. Bala mosebetsi o etsoang ke khase ts'ebetsong ea AB. Tharollo: Ts'ebetso ea AB ke ts'ebetso ea isochoric (bophahamo bo sa fetoheng). Bophahamo bo tsitsitse e le hore ho se be le mosebetsi o etsoang ke khase. … Bala haholoanyane

30 Mekhoa ea thermodynamic ea Isothermal - mathata le litharollo 1. Setšoantšo sa PV se ka tlase se bontša khase e loketseng e fetang ts'ebetsong ea isothermal. Bala mosebetsi o etsoang ke khase ts'ebetsong AB. Tharollo Mosebetsi o etsoang ke khase o lekana le sebaka se ka tlas'a mothapo oa PV AB = sebaka sa khutlotharo + sebaka sa khutlotharo W … Bala haholoanyane