Formelsamling B-niveau projekt [pdf] - sorenr.dk
Formelsamling B-niveau projekt [pdf] - sorenr.dk
Formelsamling B-niveau projekt [pdf] - sorenr.dk
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November 2003 <strong>Formelsamling</strong> Fysik B-<strong>niveau</strong> Side 3<br />
6 ARBEJDE OG ENERGI........................................................................................................................................................ 22<br />
Konstant kraft arbejde........................................................................................................................................................ 22<br />
Krafts effekt........................................................................................................................................................................ 22<br />
Kinetisk energi ................................................................................................................................................................... 22<br />
Tyngdepotentiel energi....................................................................................................................................................... 22<br />
Fjederpotentiel energi........................................................................................................................................................ 22<br />
Mekanikkens energisætning ............................................................................................................................................... 22<br />
7 ELEKTRISK STRØM OG SPÆNDING ............................................................................................................................. 23<br />
7.1 ELEKTRISK STRØM ............................................................................................................................................................. 23<br />
7.2 RESISTOR OG RESISTIVITET................................................................................................................................................ 23<br />
Ohms lov ............................................................................................................................................................................ 23<br />
Resistivitet:......................................................................................................................................................................... 23<br />
Resistansens temperaturafhængighed:............................................................................................................................... 23<br />
Effekt og energi .................................................................................................................................................................. 24<br />
Energi................................................................................................................................................................................. 24<br />
7.3 SAMMENSÆTNING AF MODSTANDE .................................................................................................................................... 24<br />
Serieforbindelse ................................................................................................................................................................. 24<br />
Parallelforbindelse............................................................................................................................................................. 24<br />
8 ELEKTRISKE KREDSLØB................................................................................................................................................. 25<br />
8.1 KREDSLØB MED EN SPÆNDINGSKILDE................................................................................................................................25<br />
Ohms lov ............................................................................................................................................................................ 25<br />
Polspænding....................................................................................................................................................................... 25<br />
Maksimal strøm.................................................................................................................................................................. 25<br />
Energiomsætning ............................................................................................................................................................... 25<br />
9 FASTE STOFFER OG VÆSKER ........................................................................................................................................ 26<br />
Ændring af temperatur (ikke fase ændring) ....................................................................................................................... 26<br />
Faseændring....................................................................................................................................................................... 26<br />
Densitet .............................................................................................................................................................................. 27<br />
10 IDEALE GASSER................................................................................................................................................................ 28<br />
Stofmængde i mol ............................................................................................................................................................... 28<br />
Tilstandsligningen for ideale gasser .................................................................................................................................. 28<br />
Tilstandsændringer ............................................................................................................................................................ 29<br />
11 GASSERS DENSITET......................................................................................................................................................... 30<br />
Standard densitet................................................................................................................................................................ 30<br />
Densitet i en vilkårlig tilstand ............................................................................................................................................ 30<br />
12 TERMODYNAMIK ............................................................................................................................................................. 31<br />
Termodynamikkens 1. hovedsætning.................................................................................................................................. 31<br />
Arbejde ved konstant tryk................................................................................................................................................... 31<br />
12.1 VARMEKAPACITET........................................................................................................................................................... 32<br />
Konstant volumen............................................................................................................................................................... 32<br />
Konstant tryk...................................................................................................................................................................... 32<br />
Termisk virkningsgrad ....................................................................................................................................................... 32<br />
13 BØLGE FYSIK..................................................................................................................................................................... 33<br />
Udbredelseshastigheden .................................................................................................................................................... 33<br />
Gitteret ............................................................................................................................................................................... 33<br />
Refleksion og brydning....................................................................................................................................................... 33<br />
Brydningsloven................................................................................................................................................................... 33<br />
Brydningsindeks (n), udbredelseshastighed (v) og bølgelængde (λ).................................................................................. 34<br />
Spejlingsloven .................................................................................................................................................................... 34<br />
Totalreflektion.................................................................................................................................................................... 34