Wasomi wa Physics naomba majibu

DarKwetu · Jul 1, 2014

Katika mfumo wa umeme kuna mambo 4.
1. Chanzo cha umeme.mf generator kwa umeme wa Ac na solar cell au battery kwa upande wa DC.
2. Njia ya kusafirishia umeme yaani nyaya.
3. Chombo kinachotumia umeme (load).
4. vyombo vya kudhibiti mfumo wa umeme mfano switch, circuit breaker n.k.

Ili mfumo ufanye kazi lazima umeme utoke kwenye chanzo na urudi tena. Kwahiyo namba 1, 2 na 3 ni lazima kwa mfumo kufanya kazi. Namba 4 ni kutoa uhuru kwa mtumiaji kudhibiti huo mfumo na kuhakikisha usalama wa mfumo.

Nikirudi kwenye swali bila switch ina maana umeme haurudi kwenye chanzo. Unaweza tu pale switch iko on na si vinginevyo. Kwa maans hiyo umeme hauendi.

akili akili · Jul 1, 2014

Umeme hauendi, coz hapo ni sawa na open circuit, kwa kuwa hamna "load" yeyote basi hakutakuwa na power loss.

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cabhatica · Jul 1, 2014

btw, what is electricity?

mankachara · Jul 1, 2014

Iyo ni open circuit kwa iyo umeme hamna

Nyakageni · Jul 1, 2014

Hapa nadhani majidid kahtaan hatii maguu!

JIBU:
1. Inategemea aina ya umeme kama ni Alternating Current {A.C.} au Direct Current {D.C.}

2. Kwenye D.C. inategemea kama na aina ya circuit kama ni SERIES OR PARALLEL CONFIGURATION ambapo kwenye series circuit kama bulb haipo umeme hautopita

Nyakageni · Jul 1, 2014

DarKwetu said:
Katika mfumo wa umeme kuna mambo 4.
1. Chanzo cha umeme.mf generator kwa umeme wa Ac na solar cell au battery kwa upande wa DC.
2. Njia ya kusafirishia umeme yaani nyaya.
3. Chombo kinachotumia umeme (load).
4. vyombo vya kudhibiti mfumo wa umeme mfano switch, circuit breaker n.k.

Ili mfumo ufanye kazi lazima umeme utoke kwenye chanzo na urudi tena. Kwahiyo namba 1, 2 na 3 ni lazima kwa mfumo kufanya kazi. Namba 4 ni kutoa uhuru kwa mtumiaji kudhibiti huo mfumo na kuhakikisha usalama wa mfumo.

Nikirudi kwenye swali bila switch ina maana umeme haurudi kwenye chanzo. Unaweza tu pale switch iko on na si vinginevyo. Kwa maans hiyo umeme hauendi.

namba moja mpaka nne ni CIRCUIT ila kwenye switch umekosea

Nyakageni · Jul 1, 2014

SaidAlly said:
Kichuguu!

Nakukatalia, umeme hauendi hapo(hautumiki) kwamaana hiyo siyo complete circuit. Workload hamna hapo, kwahiyo hakuna movement yeyote ya curtent. Ni open circuit hiyo hata kama ni AC . Work is done when a force produce motion. Hakuna load, hakuna motion hapo.

mkuu fikiria kuhusu parallel configuration!

DarKwetu · Jul 1, 2014

Nyakageni said:
namba moja mpaka nne ni CIRCUIT ila kwenye switch umekosea

Ni kweli kwamba ni sakiti. Nimekosea wapi kwenye switch maana switch off ni sawa njia hakuna.

dawa yenu · Jul 1, 2014

zanga said:
Sasa ukiweka kidole, kidole ndio load then umeme uta flow kwa mwili jombaa.load sio lazima iwe taa,

ungeanza kwa kumueleza load ni nini!

Nyakageni · Jul 1, 2014

chaUkucha said:
use your common sense!

Common Sense is not common!

Sungura Toto · Jul 1, 2014

zanga said:
Sasa ukiweka kidole, kidole ndio load then umeme uta flow kwa mwili jombaa.load sio lazima iwe taa,

Huyu jamaaa hajui anachouliza anaumiza watu vichwa kumuelewesha!!

Nyakageni · Jul 1, 2014

cabhatica said:
btw, what is electricity?

Is the study of charges whether at rest (STATIC) or in motion {CURRENT}

Nyakageni · Jul 1, 2014

DarKwetu said:
Ni kweli kwamba ni sakiti. Nimekosea wapi kwenye switch maana switch off ni sawa njia hakuna.

DarKwetu, what pushes the electrons ni ELECTROMOTIVE FORCE (EMF) na si switch ndo maana nikakwambia inategemea na factors nyingi ikiwemo:
1. Aina ya sakiti kama ni sambamba ama mfuatano

2. Aina ya umeme kama ni D.C. au A.C.

Baba Joseph17 · Jul 1, 2014

Sanja said:
Kama utachukulia kama energy kutakuwa na very small loss of energy(kuna factors zinahusika),kama unazungumzia current electricity hamna itayokuwa imetumika(hakuna electrical applience hapo).

Kwanini current isitumike wakati kuna some small amount of energy loss?

Nguto · Jul 1, 2014

Unakwenda wapi?

Jamal naeem said:
Swali langu ni dogo tu kwa mfano umewasha switch ya taa halafu bulb halipo jee umeme unakwenda?.

zugimlole · Jul 1, 2014

Jaribu kushika kama hamna hautokupiga kama upo utaisoma namba swali rahisi mnaanza kuumpa majibu magumu..

Kongosho · Jul 2, 2014

Is the branch of sayansi that deal with matter in relasheni to energy.

cabhatica said:
btw, what is electricity?

ROBERT MICHAEL · Jul 2, 2014

Pdidy said:
Na FASTJET AMA AIRTANZANIA??

Ndo maana nasema upo pekee humu ndani,Mungu akupe nguvu mtumishi wa Mungu.

decomm · Jul 2, 2014

zanga said:
Mkuu, hapa anazungumzia taa, na amini itakua ya kawaida inayotumia single phase. Voltage hapa tuna zungumzia 230v. Sioni possibility ya ku form capacitor au inductor kwa hiyo voltage kidogo. Ingekua 11 kv,33kv ingekua sawa.kwa kesi ya hii hakutakua na umeme utaotumika. No load.for current to flow there must be a load. Na kwa kesi hiyo load ni taa.hakuna taa hakuna umeme

Waya zenyewe hizi za nhuu nhaa! Ni load tosha kabisa, so umeme 'utaenda' (kwa lugha ya mtoa mada). Kwa hiyo kama unit za umeme zilikuwa AH, baada ya muda zitakuwa AH - x, ambapo x ni umeme 'ulioenda'

SMU · Jul 2, 2014

Law of conservation opf energy:"Energy cannot be created or destroyed, it can only be changed from one form to another"

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