Physics

Mphamvu yamagetsi pa kondakitala wa mpira - mavuto ndi mayankho

1. Chowongolera mpira wopanda kanthu cha 4-μC chili ndi utali wa masentimita 8. Dziwani mphamvu yamagetsi pamwamba pa mpira. (k = 9.10 ⁹ Nm ² .C ^-2 )

Zodziwika:

The mtengo wamagetsi (Q) = 4 μC = 4 x 10^-6 C

Utali wa mpira (r) = 8 cm = 8 x 10 ^-2 m

Chosasintha cha Coulomb (k) = 9.10 ⁹ Nm ² .C ^-2

Kufunidwa: Mphamvu yamagetsi pamwamba pa mpira (V)

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Ma circuits a capacitors otsatizana ndi ofanana - mavuto ndi mayankho

1. Kodi ndalama zonse zomwe zili mu ma capacitor circuits omwe ali pansipa ndi zingati (1 μF = 10 ^-6 F)

Zodziwika:

Capacitor 1 (C)₁) = 3 μF

Capacitor 2 (C ₂ ) = 3 μF

Capacitor 3 (C ₃ ) = 3 μF

Capacitor 4 (C ₄ ) = 2 μF

Capacitor 5 (C ₅ ) = 3 μF

Volti (V) = 3 Volti

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Kuyambitsa Magnetic - Mavuto ndi Mayankho

1. Zinthu zotsatirazi zimakhudza kulowetsedwa kwa maginito pa waya wa kondakitala.

(1) mphamvu yamagetsi yomwe ikuyenda mu waya

(2) chilolezo

(3) kuchulukana kwa waya

(4) mtunda wa mfundo kuchokera pa waya

Ndi mawu ati omwe ali olondola

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Chiphunzitso chapadera cha ubale - mavuto ndi mayankho

1. Chinthu chomwe kutalika kwake ndi mamita 60 chimayenda pa liwiro la 0.6 c (c = liwiro la kuwala). Malinga ndi wowonera wosasuntha, kutalika kwa chinthucho ndi kotani?

Zodziwika:

Kutalika koyenera (Lo ₎ = mamita 60

Liwiro la chinthu (v) = 0.6 c

Kufunidwa: Kutalika kwa kufupika (L)

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Mafunde Oyima - Mavuto ndi Mayankho

1. Chingwe cha mamita atatu chimamangiriridwa kumapeto kwina ndipo kumapeto kwina kumalumikizidwa ndi vibrator. Pamene vibrator ikugwedezeka, chingwecho chimapanga mafunde osasuntha , monga momwe chithunzi chili pansipa chikusonyezera.

Dziwani malo a antinode yachisanu kuchokera kumapeto okhazikika.

Yankho:

Mtunda pakati pa ma node awiri = mamita 3 / 5 = mamita 3/5.

Mtunda pakati pa mfundo yoyamba ndi mapeto okhazikika = 3/5 mamita

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Mphamvu ya maginito pakati pa mawaya awiri ofanana - mavuto ndi mayankho

1. Ma conductor awiri ofanana omwe amanyamula mafunde I ₁ ndi I ₂ , monga momwe chithunzi chili pansipa chikusonyezera. Kodi kukula ndi njira ya mphamvu ya maginito yomwe ma conductor onse awiri amakumana nayo ndi yotani ? (μ _o = 4π. 10 ^-7 Wb.A ^-1 .m ^-1 )

Zodziwika:

The magetsi 1 (I₁) = 3 Ampere

Mphamvu yamagetsi 2 (I ₂ ) = 5 Ampere

Kutha kwa malo omasuka (µo ₎ = 4π x 10 ^-7 wb A ^-1 m ^-1

Mtunda pakati pa ma conductor onse awiri (L) = 5 cm = 5 x 10 ^-2 mamita

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Malamulo a Kirchhoff - mavuto ndi mayankho

1. Kodi mphamvu yamagetsi ya batri yomwe ili mu gawo ili pansipa ndi yotani?

Anakonza

emf = mphamvu yamagetsi = kusiyana komwe kulipo pakati pa ma terminals pamene palibe panopa kuyenda kupita ku dera lakunja.

Voliyumu yamagetsi (V) = kusiyana komwe kulipo pakati pa magetsi pamene mphamvu ikuyenda kuchokera ku batri.

Ngati palibe mphamvu yochokera ku batri, mphamvu yamagetsi ya terminal imafanana ndi emf.

Zodziwika:

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Kuyenda molunjika - mavuto ndi mayankho

1. Mpira A umaponya molunjika mmwamba ndi liwiro la 10 m/s. Pambuyo pa sekondi imodzi, kuchokera pamalo omwewo, Mpira B umaponyedwa molunjika mmwamba panjira yomweyo, ndi liwiro la 25 m/s. Kodi kutalika kwa mpira B kumakhala kotani pamene ukumana ndi mpira A?

Yankho:

Pothetsa vuto la kuyenda molunjika , kuchuluka kwa vekitala komwe kumayang'ana mmwamba kumapatsidwa chizindikiro chabwino, kuchuluka kwa vekitala komwe kumayang'ana pansi kumapatsidwa chizindikiro choipa.

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Mphamvu yamagetsi - mavuto ndi mayankho

1. Ngati mphamvu yamagetsi yosasunthika ndi 144 N, mtunda pakati pa ma charge onse awiri ndi wotani … (1 μC = 10 ^-6 C ndi k = 9.10 ⁹ Nm ² .C ^-2 )

Zodziwika:

Mphamvu yamagetsi (F ₁₂ ) = 144 N

Chaja 1 (q ₁ ) = 10 μC = 10 x 10 ^-6 C

Chaja 2 (q ₂ ) = 4 μC = 4 x 10 ^-6 C

Chokhazikika (k) = 9 x 10 ⁹ Nm ² .C ^-2

C = Coulomb, N = Newton, m = mita

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Kusokoneza kwa magawo awiri - mavuto ndi mayankho

1. Kuwala kwachikasu kumadutsa m'ming'alu iwiri ndipo mawonekedwe osokoneza amawonedwa pazenera.

(1) Mphepete zowala zidzawonjezeka m'lifupi ngati kuwala kwachikasu kusinthidwa kukhala buluu

(2) Mphepete zowala zidzawonjezeka m'lifupi ngati mtunda pakati pa mipata wachepetsedwa

(3) Mphamvu ya kuwala imachepa ngati ili kutali ndi m'mphepete mwa pakati

(4) Mphamvu ya kuwala imakhala yofanana ngati ili kutali ndi m'mphepete mwa pakati

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