fizika 8 klass sor-7 original

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variant testov, voprosov, zadach i zadaniy dlya opredeleniya urovnya osvoeniya fiziki uchenikami 8-x klassov obsheobrazovatelnoy shkoli na 2024-2025 uchebniy god uchenik 8___ klassa ____ gruppi _____________________________________ f.i.o obshiy ball, nabranniy uchenikom:_____ (maksimalniy ball: 50) iv chetvert sor 7 1a. v kakom iz privedyonnix variantov napravlenie magnitnogo polya vokrug pryamogo provodnika s tokom izobrajeno pravilno? [3] a) b) c) d) 1b. v kakix tochkax zemli magnitnaya strelka raspolagaetsya tochno v gorizontalnom polojenii? [3] a) na severnom magnitnom polyuse b) na yujnom magnitnom polyuse c) na magnitnom ekvatore d) na geograficheskom ekvatore 2a. na risunke izobrajeni linii magnitnoy induktsii v odnoy iz oblastey prostranstva. v kakoy tochke modul vektora magnitnoy induktsii budet naibolshim? [3] __________________________________________________________________________ 2b. opredelite napravlenie sili ampera, deystvuyushey na provodnik s tokom, pomeshyonniy v odnorodnoe magnitnoe pole, kak pokazano na risunke. [3] __________________________________________________________________________ 2c. na risunke privedeni 5 par tokovix elementov (nebolshix uchastkov provodnikov s tokom). v kakom sluchae …
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nitnie polyusa zemli ne sovpadayut s eyo geograficheskimi polyusami; 5. linii magnitnogo polya predstavlyayut soboy zamknutie linii, oxvativayushie tok, sozdayushiy pole. ___________________________________________________ 4a. kakova magnitnaya induktsiya, esli na zaryad 0,4 kl, dvijushiysya perpendikulyarno liniyam magnitnogo polya so skorostyu 2 km/s, deystvuet sila lorentsa velichinoy 8 n? [5] dano: 4b. opredelite naibolshee i naimenshee znacheniya sili, s kotoroy odnorodnoe magnitnoe pole induktsiey 0,3 tl mojet deystvovat na provodnik dlinoy 0,6 m, po kotoromu proxodit tok siloy 10 a. [8] dano: 5. opredelite napravlenie vektora magnitnoy induktsii v tochke a, esli magnitnoe pole sozdano dvumya parallelnimi i ravnimi po sile tokami (sm. risunok). [10]
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variant testov, voprosov, zadach i zadaniy dlya opredeleniya urovnya osvoeniya fiziki uchenikami 8-x klassov obsheobrazovatelnoy shkoli na 2024-2025 uchebniy god uchenik 8___ klassa ____ gruppi _____________________________________ f.i.o obshiy ball, nabranniy uchenikom:_____ (maksimalniy ball: 50) iv chetvert sor 7 1a. v kakom iz privedyonnix variantov napravlenie magnitnogo polya vokrug pryamogo provodnika s tokom izobrajeno pravilno? [3] a) b) c) d) 1b. v kakix tochkax zemli magnitnaya strelka raspolagaetsya tochno v gorizontalnom polojenii? [3] a) na severnom magnitnom polyuse b) na yujnom magnitnom polyuse c) na magnitnom ekvatore d) na geograficheskom ekvatore 2a. na risunke izobrajeni linii magnitnoy induktsii v odnoy iz oblastey prostranstva. v kakoy tochke modul vektora magnitnoy ...

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