Gurumuda Networks
Lub zog hluav taws xob hauv cov voj voog capacitor - teeb meem thiab kev daws teeb meem
1. Txheeb xyuas lub zog hluav taws xob hauv lub voj voog uas qhia hauv daim duab hauv qab no (1 µF = 10 -6 F)
Paub:
Capacitor 1 (C1) = 3 µF 
Lub Capacitor 2 (C2 ) = 1 µF
Lub Capacitor 3 (C3 ) = 2 µF
Lub Capacitor 4 (C4 ) = 6 µF
Lub Capacitor 5 (C5 ) = 4 µF
Lub zog hluav taws xob (V) = 5 volts
1. Cov duab hauv qab no, cov twg qhia tau qhov kev taw qhia raug ntawm kev sib nqus induction vim yog cov xov hlau nqa cov hluav taws xob tam sim no ...
3 Cov nqi hluav taws xob Cov teb sib nqus thiab cov zog sib nqus - Teeb meem thiab kev daws teeb meem
1. Yog tias q yog tus nqi hluav taws xob zoo , v yog qhov kev txav ntawm tus nqi, B yog lub teb sib nqus thiab F yog qhov kev coj ntawm lub zog sib nqus, ces tus lej raug rau tus nqi hla lub teb sib nqus yog ...
1. Hlau P nqa tam sim no 6-A mus rau sab saud raws li qhia hauv daim duab hauv qab no. Yog tias µo = 4π.10 -7 wb A -1 m -1 thiab muaj lub zog rov qab ntawm hlau P thiab Q 1.2.10 -5 Nm – 1. Txheeb xyuas qhov loj thiab kev coj ntawm tam sim no ntawm hlau Q.
Paub:
IP = 6 Amperes
µ o = 4π x 10 -7 wb A -1 m -1
F/l = 1,2 x 10 -5 N m -1
L = 1 'meter'
Cov log tsheb txuas nrog siv txoj siv sia - teeb meem thiab kev daws teeb meem
1. Peb lub log tau txuas nrog raws li qhia hauv daim duab hauv qab no.
Yog tias RA = 10 cm, RA = 4 cm, thiab RA = 40 cm, ces qhov piv ntawm lub kaum sab xis ntawm lub log A thiab lub log C yog ...
Paub:
Lub vojvoog ntawm lub log A (r A ) = 10 cm
Lub vojvoog ntawm lub log B (rB ) = 4 cm
Lub vojvoog ntawm lub log C (r C ) = 40 cm
Cov kev siv ntawm Bernoulli txoj cai
1. Cov lus hais raws li Bernoulli txoj cai yog ...
(1) lub zog tsa ntawm lub dav hlau
(2) twj hydraulic
(3) cov tshuaj tsuag tua yoov tshaj cum
(4) lub npas cua kub
Cov teebmeem photoelectric - teeb meem thiab kev daws teeb meem
1. Cov lus tseeb txog qhov teebmeem photoelectric yog ...
A. Piav qhia tau los ntawm kev xav txog lub teeb ua nthwv dej
B. Cov electrons uas tso tawm los ntawm cov hlau nto yuav txo qis yog tias lub teeb zaus nce ntxiv
C. Qhov muaj zog ntawm lub teeb tsis cuam tshuam rau lub zog ntawm cov hluav taws xob uas tawm ntawm cov hlau nto
D. Cov teebmeem photoelectric tshwm sim hauv thaj chaw infrared
E. Cov nyhuv photoelectric yuav tshwm sim thaum lub zog ntawm lub teeb ntawm cov hlau loj
5 Lub tswv yim atomic ntawm Rutherford Thomson Bohr - teeb meem thiab kev daws teeb meem
1. Qhov tsis muaj zog ntawm Rutherford txoj kev xav txog atomic yog ...
A. Cov electrons uas nyob ib puag ncig lub nucleus atomic yuav nqus tau lub zog
B. Cov electrons kis tau zoo ib yam li ntawm qhov chaw ntawm lub spherical atom
C. Cov electrons tig ib ncig ntawm lub core zoo li lub hnub ci
D. Cov electrons nyob ib puag ncig lub nucleus uas tso tawm cov nthwv dej electromagnetic
E. Ib lub atom muaj cov nqi zoo thiab cov nqi tsis zoo
tshuaj
Cov lus teb yog C.
Transformers thiab lub zog hluav taws xob - teeb meem thiab kev daws teeb meem
1. Lub kauj thawj ntawm lub transformer zoo tagnrho yog txuas nrog lub zog hluav taws xob thiab lub kauj thib ob yog txuas nrog lub teeb raws li qhia hauv qab no.
A. Lub teeb yuav tsaus yog tias cov voj voog tseem ceeb raug txo qis
B. Lub teeb yuav ci dua yog tias cov voj voog thib ob raug nce ntxiv
C. Lub teeb yuav tsaus dua yog tias lub zog hluav taws xob tseem ceeb nce ntxiv
D. Lub teeb yuav sib dua yog tias cov voj voog tseem ceeb raug txo qis
E. Lub teeb yuav zoo ib yam yog tias cov voj voog raug hloov pauv
Cov yam ntxwv ntawm nthwv dej - teeb meem thiab kev daws teeb meem
1. Cov khoom dav dav ntawm nthwv dej yog raws li nram no:
(1) tsis tuaj yeem nthuav dav hauv lub tshuab nqus tsev
(2) txav mus ncaj nraim rau hauv ib qho chaw sib txawv
(3) kev xav txog
(4) muaj kev cuam tshuam
(5) kev cuam tshuam