Mphamvu ya maginito pakati pa mawaya awiri olunjika ofanana omwe amanyamula magetsi

Mphamvu ya maginito pakati pa mawaya awiri olunjika ofanana omwe amanyamula magetsi

Mphamvu yamagetsi yomwe imayenda kudzera mu waya imapanga mphamvu ya maginito yozungulira wayawo. Ngati wayayo ndi wowongoka, mizere ya mphamvu ya maginito imapanga bwalo, ndipo waya wowongoka uli pakati pa bwalo.

Ngati pali mawaya awiri olunjika ofanana ndipo olekanitsidwa ndi mtunda L, ndiye kuti mphamvu ya maginito yopangidwa ndi mphamvu yamagetsi mu waya woyendetsa 1 imamveka mu waya woyendetsa 2, momwemonso mphamvu ya maginito yopangidwa ndi mphamvu yamagetsi mu waya woyendetsa 2 imamveka mu waya woyendetsa 1.

Mphamvu ya maginito

Mphamvu ya maginito pakati pa mawaya awiri olunjika omwe ali ndi mphamvu yamagetsi ndi 1Kukula kwa mphamvu ya maginito yopangidwa ndi mphamvu yamagetsi I1 Chomwe chimamveka pa waya wa kondakitala 2 ndi:

Mphamvu ya maginito pakati pa mawaya awiri olunjika omwe ali ndi magetsi - 2

Mphamvu yamagetsi I 1 imagwiritsa ntchito mphamvu ya maginito pa waya wa kondakitala 2, komwe kukula kwa mphamvu ya maginito F pa unit length l pa waya wa kondakitala 2 ndi:

Mphamvu ya maginito pakati pa mawaya awiri olunjika omwe ali ndi magetsi - 3

Momwemonso, mphamvu yamagetsi I 2 imagwiritsa ntchito mphamvu ya maginito pa waya wa kondakitala 1, komwe kukula kwa mphamvu ya maginito F pa unit length l pa waya wa kondakitala 1 ndi:

Zitsanzomafuta 1

Waya wamagetsi wowongoka woyimirira pakhoma la nyumbayo umanyamula mphamvu yamagetsi ya ma Ampere 20. Dziwani mphamvu ya maginito pamalo otalikirana masentimita 10 ndi masentimita 20.

Mphamvu ya maginito pakati pa mawaya awiri olunjika omwe ali ndi magetsi - 5Zokambirana

Ndizodziwika kuti:

Mphamvu yamagetsi (I) = 20 Ampere

Mtunda (l 1 ) = 10 cm = 10/100 m = 1/10 m = 0,1 m = 10 -1 m

Mtunda (l 2 ) = 20 cm = 0,2 m

Kutha kwa vacuum (µo ) = 4π x 10 -7 Tm / A

Anafunsa: Mphamvu ya maginito (B)

Yankho:

Mphamvu ya maginito pakati pa mawaya awiri olunjika omwe ali ndi magetsi - 6

Zitsanzoola 2

Mawaya awiri olunjika ofanana ali ndi kutalika kwa mita imodzi, mtunda pakati pa mawaya awiriwa ndi 10 mm. Waya uliwonse umapereka mphamvu yolunjika ya Ampere 10 (DC), molunjika, komwe njira ya mphamvu yamagetsi mu mawaya onse awiri ndi yofanana. Dziwani mphamvu ya maginito pakati pa mawaya awiriwa.

Zokambirana

Ndizodziwika kuti:

Kutalika kwa waya uliwonse (L) = 1 m

Mtunda pakati pa mawaya awiri (l) = 10 mm = 0,01 m

Mphamvu yamagetsi (I) = 10 Ampere

Kutha kwa vacuum (µo ) = 4π x 10 -7 Tm / A

Anafunsa kuti:

Yankho:

Mphamvu ya maginito pakati pa mawaya awiri olunjika omwe ali ndi magetsi - 7

Ngati mbali ya magetsi ili yofanana m'mawaya onse awiri, mphamvu yokoka imabuka pakati pa mawaya awiriwa. Mosiyana ndi zimenezi, ngati mbali ya magetsi ili yosiyana m'mawaya onse awiri, mphamvu yobweza imabuka pakati pa mawaya awiriwa.

Siyani ndemanga