Kuchlanishi 12 V ga teng bulgan sistemaning umumiy Qarshiligi topilsin? Qarshiliklar bir XIL deb r = Ω qaralsin

1). Kuchlanishi 12 V ga teng bulgan sistemaning umumiy Qarshiligi topilsin? Qarshiliklar bir xil deb R = 2 Ω qaralsin.

A) 5Ω B) 5,5Ω C) 4Ω D) 4,4Ω
2). Loren's kuchi ish bajarmaydi uning inergiyasini toping? q=e deb hosibga oling
A) W=evB/2 B) W=evBR/2 C) W=evR/2 D) W=eBR/2
3). ( β ^– ) - yemirilishda nima ajralib chiqadi?
A) ^A X _z —> ^A-4 Y _z-2 + ⁴ He ₂ He - Geliy
B) ^A X _z —> ^A Y _z + γ γ - gammma
C) ^A X _z —> ^A Y _z-1 + e ₁ e - pozitron
D) ^A X _z —> ^A Y _z+1 + e _-1 e - elektron
4). x=5t , y=4t va z=0 bulgan qununyatda harakatlanayotgan Jismning 2s Dan kiyin kuchishini toping?
A) 7/2 B) 7 C) 5 D) 4
5). Zaryadlari q ₁ = 2e q ₂ = e orasidagi masofa 1.6 10 ^-8 sm ga teng ularnig Kulon kuchi qancha?
A) 18 10^-3 B) 9 10 ³ C) 3 10^-3 D) 9 10^-3
6). Magnet Maydon energiyasi 18J magnet oqimi esa 4 Wb ga teng bulgan maydonning tok kuchini toping?
A) 9A B) 4.5A C) 4A D) 18A
7). Buyum balandligi h bulsa linzadagi tasvir Balandligi H=4h bulsa uning kattalashtirish koeffisinti qanday?
A) 16 B) 8 C) 4 D) 1/4
8). X=2πsin(0.3πt+φ) qonunyatga buysinib haraktlanayotgan mayatnikning maksimal tezlanishini toping?
A) 0.18π³ B) 0.18π² C) 0.18π D) 0.18π^-1
9). Elastiklik kuchi qaysi Energiya turiga kiradi?
A) Knetik B) Potinsial C) Elektr D) Issiqlik Miqdori
10). 1mol vodorodning Massasi qanday ? ( gr )
A) 2 B) 4 C) 1 D) 0
11). Netral vodorod ( ₁ H ¹ ) atomida nechta neytron bor?
A) 2 B) 4 C) 1 D) 0
12). α va b nuqtaviy zaryadlar va ularning natijaviy elektr maydon kuch chiziqlari tasvirlangan , Ular teng miqdorda zaryadlangan

A) a(–) b(–) B) a(+) b(–) C) a(+) b(-) D) a(+) b(+)
13). Qanday nur Monoxromatik nur emas
A) Yashil B) Qizil C) Oq D) Binafsha
14). Harakat tenglamalari X=12+3t va X=8+4t bulgan mashenalar qachon uchrashadi ? (s)
A) 12 B) 8 C) 4 D) 3
15). Lorens kuchi formulasi qanday?
A) qvSsina B) qvBsina C) qvBcosa D) evl
16). Litiy uchun elektronlarning metalldan chiqish ishi 2,3 eV. Bu energiyaning J birligidagi qiymati qanday?
A) 3,7 ⋅ 10^-19 D) 7,5 ⋅ 10^-19 B) 3,1 ⋅ 10^-19 C) 4,5 ⋅ 10^-19
17). 2 atomli 2mol g izoxorik ravishda ∆T ga qizdirish uchub qancha issiqlik miqdori berish kerak ? ( J )
A) 5R∆T B) 3R∆T C) 2.5R∆T D) Q=0
18). Qiya tekislikda sirpanishdagi Ishqalanish kuchi qaysi formula bilan topiladi?
A) F _ish =mg B) F _ish =μmg C) F _ish =μmgsinα D) F _ish =μmgcosα
19). Induksiya vektori.........ni harakterlaydi