Cua sov raj fais fab kev sib txheeb
Tso lus
Lub raj cua sov yog lub zog hluav taws xob cua sov, thiab cov qauv hluav taws xob ntawm nws lub zog tseem ceeb heev rau peb los qhia cov lus qhia tshwj xeeb rau koj .
Tsab ntawv txhais P: hluav taws xob fais fab U: Voltage Kuv: Tam sim no W: Tam sim no W: Lub zog hluav taws xob R: Lub sijhawm T: Lub sijhawm
⑴ Cua Kub Tube Series
Qhov tam sim no yog sib npaug txhua qhov chaw kuv 1= Kuv 2= Kuv
Tag nrho voltage yog sib npaug nrog cov zauv ntawm cov zauv ntawm ob qho kawg ntawm txhua tus neeg tau txais txiaj ntsig ntawm txhua tus neeg siv khoom u} u1+ u2
Tag nrho cov kev tawm tsam yog sib npaug nrog cov kev tiv thaiv r {}} r} r2
U1: U2=R1: R2
Tag nrho hluav taws xob ua haujlwm tau sib npaug nrog cov lej ntawm cov hluav taws xob ua haujlwm w=1+} w2
W1: W2=R1: R2=U1: U2
P1: P2=R1: R2=U1: U2
Lub zog tag nrho yog sib npaug rau cov lej ntawm txhua lub zog p=p1+ p2
⑵ Parallel Circuit Court ntawm lub raj cua sov
Tag nrho cov tam sim no yog sib npaug ntawm cov lej ntawm qhov chaw kuv {{0} 1+ i2
Lub voltage txhua qhov chaw yog sib npaug zos rau u 1= u 1= u
Tag nrho cov kev tawm tsam yog sib npaug rau cov khoom lag luam ntawm txhua qhov kev tawm tsam muab faib los ntawm cov lej ntawm txhua {r1r2}} r2)
Tag nrho hluav taws xob ua haujlwm tau sib npaug nrog cov lej ntawm cov hluav taws xob ua haujlwm w=1+} w2
I1: I2=R2: R1
W1: W2=I1: I2=R2: R1
P1: P2=R2: R1=I1: I2
Lub zog tag nrho yog sib npaug rau cov lej ntawm txhua lub zog p=p1+ p2
⑶ hluav taws xob hluav taws xob ntawm tib lub tshuab
Lub zog ntawm kev ntsuas ntawm lub zog muaj zog yog sib npaug nrog cov square ntawm cov ntsuas hluav taws xob rau cov voltage tiag tiag / ps=(peb / us) square
2.} m} txog kev sib tw
⑴Sistores r
①resistance yog sib npaug rau cov khoom siv ntom khuav los ntawm (ntev faib los ntawm thaj chaw hla ntawm thaj chaw) r= qhov ntom ntom × (l ÷ s)
②resistance yog sib npaug rau voltage muab faib los ntawm tam sim no r=u ÷ i
③THTHE YIG yog sib npaug nrog cov xwmfab ntawm lub voltage muab faib los ntawm hluav taws xob fais r {}} uu ÷ p
⑵elefric fais fab w
Electric work is equal to current times voltage times time W=UIT (universal formula)
Cov khoom siv hluav taws xob ua haujlwm hluav taws xob fais fab sib npaug los ntawm lub sijhawm w= pt
Fais ua haujlwm sib npaug them sij hawm voltage w=qt
Hluav taws xob ua haujlwm yog sib npaug nrog cov sij hawm xwm fab tam sim no tiv taus lub sij hawm w=×} Ihrt (ntshiab tsis kam Circuitceg)
Hluav taws xob ua haujlwm yog sib npaug nrog cov square ntawm voltage faib los ntawm kev tiv taus thiab muaj sij hawm w} u ÷ r ×)
⑶ Hluav Taws Xob Fais P
Lub zog hluav taws xob sib npaug nrog cov hluav taws xob sib npaug los ntawm P=ui UI
Lub zog hluav taws xob yog sib npaug nrog cov xwmfab ntawm qhov tam sim no ntau tshaj los ntawm cov kev tiv thaiv p}} iir (ntshiab tawm tsam Circuit Court)
③THE Lub zog hluav taws xob yog sib npaug nrog cov xwmfab ntawm cov voltage muab faib los ntawm kev tawm tsam p}} {uu ÷ r (tib yam li saum toj)
④electric lub zog yog sib npaug rau hluav taws xob faib los ntawm lub sijhawm P=w: t
Hluav taws xob cua sov kub muaj hluav taws xob
Cov Hluav Taws Xob Hluav Taws Xob yog sib npaug rau cov khoom siv hluav taws xob tam sim no mus rau hauv kev tiv taus lub sijhawm q=i} i} i} i} i} i} i} i} i} i} i} i} i} i} i} i} i} i} i} i} i} i} i} i} i} i} i} i} i} i} i} Iku (nrov} i} ikh)
Cov Hluav Taws Xob Hluav Taws Xob yog sib luag rau lub sijhawm tam sim no hluav taws xob lub sijhawm q {}}}}}}} w (ntshiab tsis kam Circuitcais)







