Ngā Raru Whakaoti i roto i te Ahupūngao Taketake

Te ture tuatahi a Kirchhoff – ngā raruraru me ngā otinga 1. E ai ki te pikitia i raro nei, mēnā ko I1 = 5A, ko I2 = 3 A, ko I3 = 6 A, kāti ko I4 = ……… Otinga: E kī ana te ture tuatahi a Kirchhoff me ōrite te tapeke o ngā iahiko katoa e tomo ana ki te hononga ki te tapeke o ngā iahiko katoa e puta ana i te hononga. … Pānuitia atu

Ngā ngaru whakawhiti me ngā ngaru roa – ngā raruraru me ngā otinga 1. Kei te haere tetahi ngaru i raro i tētahi waea 3-m te roa mō te 0.3 hēkona. He aha te wā o te ngaru? E mōhiotia ana: Wā (t) = 0.3 hēkona E hiahiatia ana: Wā (T) Otinga: 1 roangaru = 1 tihi + 1 awa Wā = 2 x 0.1 … Pānuitia atu

Te kaha pōkarekare – ngā raruraru me ngā otinga 1. He poraka rakau he roa = 2.5 m, he whānui = 0.5 m, he teitei = 0.4 m. Ko te mātotoru o te wai he 1000 kg/m3. Mena ka whakanohoia te poraka ki roto i te wai, he aha te kaha pōkarekare… Ko te whakaterenga nā te kaha ā-papa he 10 N/kg. E mōhiotia ana: Rōrahi... Pānuitia atu

25 Pūngao hiko – ngā raruraru me ngā otinga 1. He 220 V – 5 Ka whakamahia he rama hiko mō te 30 meneti. E hia te pūngao e hiahiatia ana? Otinga: Ngaohiko (V) = 220 Volts Iahiko hiko (I) = 5 Ampere Wā (t) = 30 meneti = 30 x 60 hēkona = 1800 hēkona Mana hiko … Pānuitia atu

28 Te mana hiko – ngā raruraru me ngā otinga 1. Tātaihia te iahiko o tētahi rama 10 Watt i hangaia mō te 12 Volts. E mōhiotia ana: Mana (P) = 10 Watt Ngaohiko (V) = 220 Volt E hiahiatia ana: Iahiko Otinga: Mana rama = 10 Watt = 10 Joule/hēkona E whakaatu ana te whārite i raro nei i te whanaungatanga i waenga i te … Pānuitia atu

25 Mīhini Carnot (te whakamahinga o te ture tuarua o te thermodynamics) – ngā raruraru me ngā otinga 1. Ka mahi tētahi mīhini i waenga i te 1200 Kelvin me te 300 Kelvin. He aha te whai huatanga o tēnei mīhini? E mōhiotia ana: Te pāmahana teitei (TH) = 1200 K Te pāmahana iti (TL) = 300 K E hiahiatia ana: Te whai huatanga (e) Otinga: 2. Ka mahi tētahi mīhini i waenga i te … Pānuitia atu

30 Mīhini wera (te whakamahi i te ture tuarua o te thermodynamics) – ngā raruraru me ngā otinga 1. Te whakaurunga wera QH = 3000 Joules me te putanga wera QL = 1000 Joules. He aha te whai huatanga o te mīhini wera? E mōhiotia ana: Te whakaurunga wera (QH) = 3000 Joules Te putanga wera (QL) = 1000 Joules Te mahi i mahia e te mīhini … Pānuitia atu

30 Ngā tukanga thermodynamics isobaric – ngā raruraru me ngā otinga 1. E whakaatu ana te hoahoa PV i raro nei i tētahi hau pai e pāngia ana e tētahi tukanga isobaric. Tātaihia te mahi e mahia ana e te hau i roto i te tukanga AB. E mōhiotia ana: Pēhanga (P) = 5 x 105 N/m2 Te rōrahi tīmatanga (V1) = 2 m3 Te rōrahi whakamutunga (V2) = 6 m3 E hiahiatia ana: … Pānuitia atu

30 Ngā tukanga thermodynamics isochoric – ngā raruraru me ngā otinga 1. E whakaatu ana te hoahoa PV i raro nei i tētahi hau pai e pāngia ana e tētahi tukanga isochoric. Tātaihia te mahi e mahia ana e te hau i roto i te tukanga AB. Otinga: He tukanga isochoric te Tukanga AB (rōrahi pumau). He pumau te rōrahi kia kore ai he mahi e mahia ana e te hau. … Pānuitia atu

30 Ngā tukanga thermodynamic isothermal – ngā raruraru me ngā otinga 1. E whakaatu ana te hoahoa PV i raro nei i tētahi hau pai e pāngia ana e tētahi tukanga isothermal. Tātaihia te mahi e mahia ana e te hau i roto i te tukanga AB. Otinga He ōrite te mahi e mahia ana e te hau ki te horahanga i raro i te pihi PV AB = horahanga tapatoru + horahanga tapawhā W … Pānuitia atu