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11.1. Ghep mdi ndi dung d cdt ben trai vdi mdt ndi dung d cdt ben phai đ thanh mdt cau cd ndi dung dting.
1. Trong mach difn kfn don gian, eudng do đng difn bdng 2. Sudt difn đng eua ngudn difn dac trung cho
3. Sudt dien đng cua bd ngudn mde nd'i tiep bdng
4. Acquy la ngudn difn hod hgc cd thd dugc nap lai đ sit dting nhidu ldn la do
5. Ddng difn khdng đi la
6. Sti tfch difn khdc nhau d hai cue cita pin difn hod dugc duy tri la do
7. Ddng difn chay qua doan mach chtia ngudn phat difn thi 8. Dd giam difn the tren mdt doan maeh la
11.2. Ghep dai lugng, dinh luat d cdt ben d cdt ben phai cho phii hgp.
1. Dinh luat 6m đi vdi mach difn kfn dom gian
2. Sudt difn đng eiia ngudn difn 3. Cudng do đng difn khdng đi 4. Hifu difn thé (/^g giiia hai đu eua doan mach cd chtia ngudn dien, trong đ A ndi vdi cue duong cua ngudn difn
a) tac dung hod hgc.
b) tac dung cua phan ting hda hgc thuan nghich.
c) tfch cita cudng đ đng difn chay qua doan maeh đ va difn trd eua nd.
d) thuong sd giiia sudt difn đng eiia ngudn difn va difn trd toan phdn ciia mach.
e) kha nang thtic hifn cdng cua ngudn difn.
g) tdng cae sudt difn đng cita cdc ngudn difn thanh phdn. h) ed ehidu di tdi cue am va di ra tit cue dUdng eua dung cu naỵ i) đng difn ed ehidu va eudng đ khdng thay đi theo thdi gian. trdi vdi cdng thiic, hf thtic tuong iing
a) f'b = ^1 + ^2 + ^3 + - + ^n-
5. Sudt difn đng cita bd ngudn N ô^ j i
mde ndi tiép ^
6. Sudt dien đng cua bd ngudn g)W= I(R + r).
mdc song song don gian
11.3. Cae Itic la ben trong ngudn difn khong ed tac dung
Ạ tao ra vd duy tri hifu difn the giiia hai cue cita ngudn difn. B. tao ra vd duy tri sti tfch dien khdc nhau d hai cue cua ngudn difn. C. tao ra cae dien tfch mdi cho ngudn difn.
D. lam ede difn tfch duong dich chuydn nguge chieu difn trudng ben trong ngudn difn.
11.4. Trong cac pin difn hod khong co qua trinh nao dudi day ?
Ạ Bién đi hod nang thanh difn nang. B. Bién đi ehdt nay thanh ehdt khaẹ
C. Lam eho eae cure cua pin tfch difn khae nhaụ D. Bidn đi nhift nang thanh difn nang.
11.5. Dat hifu dien the U vao hai đu mdt dien trd R thi đng dien chay qua cd eudng đ /. Cdng sudt toa nhift d difn trd nay khong the tfnh bdng
cdng thiie nao ?
Ạ 3^„h = i^f^- c. 9^nh = ui^- (adsbygoogle = window.adsbygoogle || []).push({});
B-^nh=W. D ^ - ^
11.6. Dd'i vdi mach difn kfn gdm ngudn difn vdi mach ngoai la difn trd thi hieu difn thd maeh ngodi
Ạ tl le thuan vdi eudng đ đng difn chay trong mach. B. tang khi cudng do đng difn chay trong maeh tang. C. giam khi eudng đ đng difn chay trong mach tang. D. ti If nghich vdi cudng đ đng difn chay trong mach.
11.7. Sudt difn đng cita mdt acquy la 12 V. Lue la thuc hifn mdt cdng la 4 200 J. Tfnh difn lugng dich chuydn giiia hai ctic eua ngudn difn khi đ.
11.8. Cho mach dien cd so đ nhu Hinh IỊl, trong đ bd ngudn cd sudt difn đng ^j, = 42,5 V va difn
trd trong r^ = 1 Q, dien trd /?i = 10 Q, Rj = 15 Q.
Difn trd cita cae ampe kd va eua cdc day nd'i khdng dang kẹ
a) Biet rdng bd ngudn gdm cac pin gid'ng nhau mdc theo kidu hdn hgp đ'i xiing, mdi pin cd sudt
difn đng ^Q = 1,7 V va difn trd trong KQ = 0,2 Cl. Hdi bd ngudn nay gdm
bao nhieu day song song, mdi day gdm bao nhieu pin mdc nd'i tidp ? b) Biet ampe ke Aj chi 1,5 A, hay xac dinh sd ehi cita ampe kéA2 vd tri
sd cua difn trd R.
11.9. Cd 36 ngudn gid'ng nhau, mdi ngudn ed sudt difn đng ^ = 12 V va difn
trd trong r = 2 Q dugc ghep thanh bd ngudn hdn hgp đ'i xtimg gdm n day song song, mdi day gdm m ngudn ndi tiep. Mach ngoai cua bd ngudn nay
la 6 bdng den gid'ng nhau dugc mde song song. Khi đ hifu difn thd
mach ngoai laU = 120 V va cdng sudt mach ngodi la ^^ = 360 W.
a) Tfnh dien trd cita mdi bdng den.
b) Tfnh sd day n va sd ngudn m trong mdi day eua bd ngudn naỵ
K^huang III