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Electrical4u

فیلڈ: Karkashin Kuliya da Dukkana

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Me kadan Dabbobi na Kashi?

Dabbobi (ko kuma dabbobi ohmi ko dabbobi kashi) yana nufin ci gaban da ta aiki da kashi a cikin tura mai kashi. Dabbobi ana maimaita da oha, wanda ake siffar da hirji na Girkanci (Ω).

Idan dabbobi ya fi shi, akwai sauti mai yawa a kan kashi.

Idan an kara farko na tasiri zuwa mutumta, kashi zai faru, ko elektronu masu inganci zai faru. A nan faru, elektronu masu inganci suna gano da atomu da molekulon mutumta.

Saboda gano ko gajarta, rarrabbin da elektronu ko kashi ke faru yana ci gaba. Saboda haka, za a iya cewa akwai sauti ga fari na elektronu ko kashi. Don haka, wannan sauti da abu ke bayarwa ga fari na kashi ake kiran dabbobi.

Dabbobi na mutumta masu kashi ana samun—

daidaita da tsawonsa na mutumta
zama daidaita da alamomin kofin mutumta
yana nuna kayan mutumta
Yana nuna hukumar jiki

A cikin littattafan, dabbobi na mutumta masu kashi zai iya tabbatar da ita,

$\begin{align*} R \propto \frac{l}{a} \end{align*}$

$\begin{align*} R = \rho \frac{l}{a} \,\, \Omega \end{align*}$

Amsa R = na kudin mai gudanar

$l$ = tsakiyar mai gudanar

a = tashin alama mai gudanar

$\rho$ = sabbin zaka a cikin abu da ake sani da sunan kudin da ya fi shi ko kudin da ya fi shi a cikin abu

Takaitaccen Kudin 1 Ohm

Idan an kawo potential ta 1 volt a bayan duwatsu biyu mai gudanar, kuma idan yawan amperi ta 1 ya haɗa a cikinsu, za a ce kudin mai gudanar ta ɗaya ohm.

$\begin{align*} R = \frac{V}{I} \end{align*}$

$\begin{align*} 1 \,\, Ohm = \frac{1 \,\, Volt}{1 \,\, Ampere} \end{align*}$

Wani shi da ake kira a matsayin birni (birnin)?

Matsayin birni ake kira a ohm, kuma Ω yana nufin haka. Birnin ohm (Ω) yana canza a cikin sunan wanda ya yi aiki a tarihin fizika da lissafi na Alman, Georg Simon Ohm.

A cikin sistem na SI, ohm yana da ɗaukar 1 volt zuwa 1 ampere. Saboda haka,

$\begin{align*} 1 \,\, Ohm = \frac{1 \,\, Volt}{1 \,\, Ampere} \end{align*}$

Saboda haka, matsayin yana iya kiran a volt zuwa ampere.

Akwai ayyuka da ake koyar da su da kuma ake bayyana a cikin yankunan da dama. Amsa ohm tana amfani a kan abubuwa mai tsawo, amma a nan ake iya bayyana abubuwan da su ke tsawo ko ke kudanci a cikin milliohm, kiloohm, megaohm, kamar haka.

Saboda haka, an samun ayyukan da ake koyar da su da kuma ake bayyana a cikin yankunan da dama, kamar yadda ake nuna a cikin jerin tafakka ta haka.

Unit Name	Abbreviation	Values in Ohm $(\Omega)$
Milli Ohm	$m\,\,\Omega$	$10^-^3\,\,\Omega$
Micro Ohm	$\micro\,\,\Omega$	$10^-^6\,\,\Omega$
Nano Ohm	$n\,\,\Omega$	$10^-^9\,\,\Omega$
Kilo Ohm	$K\,\,\Omega$	$10^3\,\,\Omega$
Mega Ohm	$M\,\,\Omega$	$10^6\,\,\Omega$
Giga Ohm	$G\,\,\Omega$	$10^9\,\,\Omega$

Matsayin Tushen Rausa

Alamun Rausa

Akan biyu na alamun rausa da ake amfani da su a cikin kabilu.

Wannan mafi yawan alamun rausa shine ziga-ziga da ake amfani da ita a fadin Amurika. Wannan babban alamun rausa na duniya shine takaice mai yawa da ake amfani da ita a Turai da Asiya, wanda ake kira alamun rausa na duniya.

Alamun rausa an samun shi a hoto ta haka:

企业微信截图_17099630627029.png 企业微信截图_17099630544755.png

Tarhifar Rausa

Tarhifar mafi yawa ce:

Ingantaccen Rausa, Votaji da Karamin Sauran (Ohm’s Law)
Ingantaccen Rausa, Power, da Votaji
Ingantaccen Rausa, Power, da Karamin Sauran

Wasu ingantaccen waɗannan an samun shi a hoto ta haka:

Tarhifar Rausa 1 (Ohm’s Law)

Kamar yadda ake ambaci a kan Ohm’s law

$\begin{align*} V = I * R \end{align*}$

Saboda haka, tashin kadan ya kasance yawan takwas da fasahar jama'a da adadin amfani.

$\begin{align*} R = \frac{V}{I} \,\,\Omega \end{align*}$

Tushen Tashin Kadan 2 (Gaba da Takwas)

Gaban da aka gina shi ne yawan takwas da fasahar jama'a.

$\begin{align*} P = V * I \end{align*}$

A nan, ake fito $I = \frac{V}{R}$ a cikin tushen da aka bayar, muna samun

$\begin{align*} P = \frac{V^2}{R} \end{align*}$

Don haka, muka samu cewa tushen yana da shaida a kasarwa da kuma tasirin gaba. Daga fannonin,

$\begin{align*} R = \frac{V^2}{P} \,\,\Omega \end{align*}$

Tushen Formula 3 (Tasiri da Gaba)

A sani ne cewa, $P = V * I$

Baka $V = I *R$ a cikin wannan ta hanyar, muka samu,

$\begin{align*} P = I^2 * R \end{align*}$

Saboda haka, muna samun cikakken bayanin da na iya kiran tasirin zafi da kuma kudaden kayan aiki. Daga fahimtarsa,

$\begin{align*} R = \frac{P}{I^2} \,\, \Omega \end{align*}$

Tushen da ta dacewa da Rike da Kayan Aiki

Yana da tushen da ta dacewa da rike da kayan aiki. Bincika wannan a gaba.

Rike da AC

Rike da AC (wanda ya haɗa da rike, inductive reactance, da kuma capacitive reactance) a cikin sassan AC ana magana da sunan impedance. Saboda haka, rike da AC yana nufin impedance.

Rike = Impedance i.e.,

$\begin{align*} R = Z \end{align*}$

A nan formula ce karkashin kusa da kudanci ko kudancin kudan da ake samu daga AC,

$\begin{align*} R_A_C = \sqrt{R^2 + (X_L-X_C)^2} \,\, \Omega \end{align*}$

Kudancin Kudan

Yawan kudan da ta fiye yana cikin kudan da ake samu daga DC, ya'ni bai tarihi ba a cikin kudan da ake samu daga DC; saboda haka, kudancin kudan da ake samu daga DC na zero.

Saboda haka, mafi girman kudancin kudan na wani abu da ke faruwa ko kasa da kudan da ake samu daga DC.

Don haka, idan a yi amfani da kudancin kudan da ake samu daga DC, za a iya kula kudancin kudan da ake samu daga DC.

$\begin{align*} R_D_C = \frac{V}{I} \,\, \Omega \end{align*}$

Me Yadda Da Kudancin Kudan Da Ake Samu Daga AC Ko Kudancin Kudan Da Ake Samu Daga DC?

Babu skin effect a nan da cikin hanyoyin DC saboda hanyar wani na DC shine zero. Saboda haka, AC resistance ya zama mafi yawan DC resistance saboda skin effects.

$\begin{align*} R_A_C = R_D_C \end{align*}$

Gaskiya, AC resistance ta shi ne 1.6 daga DC resistance.

$\begin{align*} R_A_C = 1.6 * R_D_C \end{align*}$

Electrical Resistance, Heating and Temperature

Electrical Resistance and Heating

Idan karamin jirgin elektriki (ya'ni, ci gaba-gaban elektron) tana dolewa a kan hadin karamin jirgi, akwai 'yan kafa kafin elektron da mutanen hadin karamin jirgi. Wannan 'yan kafa shine electrical resistance.

Saboda haka, electrical energy da ake bayar zuwa hadin karamin jirgi ta shi ne da zama heat saboda 'yan kafa ko electrical resistance. Wannan shine heating effect of an electric current produced by electrical resistance.

Misali, idan I amperes yana tsayar da shiga mai kewayon da ke da alama ta R ohms saboda t seconds, wani abin da aka samu shine I2Rt joules. Wannan aikin kuɗi ana canzawa shi ne a cikin nau’i na rane.

Don haka,

$\begin{align*} Heat \,\, produced \,\,(H) = I^2 * R * t \,\, joules \end{align*}$

$\begin{align*} = \frac{I^2 * R * t}{4.186} \,\, calories \end{align*}$

Wannan tasiri na rage ya bambanta don yin wasu abubuwan rage kamar ragerin kuɗi, ragerin toast, ragerin kettel, ragerin iron, soldering iron, sauransu. Tsarin farko na waɗannan abubuwan sune dabam, idan kuɗi ta tsayi gaba da mai alama mai iyaka (arkai “heating element”), don haka yana produce wajen rage.

Abin da aka amfani da ita a yau ne mai nisbi na nickel da chromium wanda aka fi saba "nichrome" yana da alama mai iyaka karfi juƙe juƙe karfe 50 shekaru da copper.

Tasirin Harshen Ranar daga Alamar Kuɗi

Alamar duk abubuwan bayan bayan zaɓuɓɓun harshen. Tasirin zaɓuɓɓun harshen yana beddiya bisa ga abubuwa.

Abubuwan Alamu

A cikin hawa mai kawo (kamar koper, alamini, silver, wasu), yadda tashar jagoranci zafiya ta yi daidai a lokacin da tashar jagoranci ya fi. Wannan daidai a tashar jagoranci ya shafi da mutane da suka dacewa. Saboda haka, abubuwan da ke kawo suna da haske na tashar jagoranci.

Alloys

A cikin abubuwan da ke kawo (kamar nichrome, manganin, wasu), yadda tashar jagoranci ta yi daidai a lokacin da tashar jagoranci ya fi. Wannan daidai a tashar jagoranci ya shafi da tsakanin da suka dacewa. Saboda haka, abubuwan da ke kawo suna da haske na tashar jagoranci na yau da kyau.

Semi-Conductors, Insulators & Electrolytes

A cikin semi-conductors, insulators & electrolytes, yadda tashar jagoranci ta haifi a lokacin da tashar jagoranci ya fi. A lokacin da tashar jagoranci ya fi, akwai masu karfi da suka samu. Saboda haka, ana iya haifi a tashar jagoranci. Saboda haka, wannan abubuwa na da haske na tashar jagoranci na yau da kyau.

Common Questions About Resistance

Electrical Resistance of The Human Body

Tashar jagoranci a cikin jiki na gida ita ce, amma tashar jagoranci a kan gida ita ce. Idan jiki na gida ita ce, tashar jagoranci ta daidai, amma idan ya shafi, tashar jagoranci ta haifi.

Idan jiki na gida ita ce, tashar jagoranci ta daidai, ita ce 100,000 ohms, amma idan ya shafi ko jiki na gida ita ce, tashar jagoranci ta haifi, ita ce 1000 ohms.

Idan jiki na gida ita ce, tashar jagoranci ta haifi, ita ce 500 ohms.

Na'urar Da Dukkida Harsuna

A nan san da shahara cewa na'urar da dukkida wata zai iya kowace rikitar da ake da aiki a wannan wata. Rikitar da ake da aiki a harsuna ya kai ne $10^6$ zuwa $10^1^5$ $\Omega-m$ a 200 C.

Na'urar da dukkida harsuna shine muhimmancin aikin da harsuna ke da aiki don dukka karamin duwatsu. Na'urar da dukkida harsuna yana nuna tushen bayyana daga abubuwan da suka gane da harsunan da suka gane da jamiyar abubuwa. Biyu na biyu masu muhimmanci da ke taka muhimmanci ga yadda ake tsara na'urar da dukkida harsuna sun hada da sako ta abubuwa da kuma tushen abubuwan da suka gane.

Kawo na'urar da dukkida ko karamin duwatsu a harsuna shine 21.1 kV/cm (RMS) ko 30 kV/cm (peak), wanda yana nuna cewa harsuna ke da na'urar da dukkida zuwa 21.1 kV/cm (RMS) ko 30 kV/cm (peak). Idan tushen duwatsu a harsuna ya kai a kan 21.1 kV/cm (RMS), akwai kawo na'urar da dukkida a harsuna; saboda haka, za a iya cewa na'urar da dukkida harsuna ya kai zero.

Na'urar Da Dukkida Mai Ruwa

Rikitar da ake da aiki a mai ruwa shine muhimmancin aikin da mai ruwa ke da aiki don dukka karamin duwatsu, wanda yana dogara da ma'ana da sauran magunguna da suka gane a cikin mai ruwa.

Mai ruwa mai sauƙi na da haɗin rikitar da ake da aiki saboda ba a cikinsu sauran magunguna. Idan sauran magunguna suka gane a cikin mai ruwa mai sauƙi, ana samun magungunan da suke gane. Waɗannan magungunan suke gane suke taimakawa wajen tashar duwatsu; saboda haka, na'urar da dukkida ta fito.

Mai ruwa da ma'ana da sauran magunguna da suka gane a cikinsu za a iya da haɗin rikitar da ake da aiki da fito, kuma ya kai da haɗin rikitar da ake da aiki da sauƙi. Tabeli a kan yana nuna haɗin rikitar da ake da aiki ga turutan da dama da mai ruwa.

Nau'o'i na mai	Takaitaccen tsakiyar aiki a ohomiyi $(\Omega-m)$
Mai daidai	20,000,000
Mai karfi	20-25
Mai daidai	500,000
Mai yamma	20,000
Mai kogin ruwa	200
Mai sarrafa	2 zuwa 200
Mai daidai	180,000

Na'urar da Tashin Kuliya a Coper

Coper yana wani mai kula; saboda haka tana da muhimmanci na tashin kuliya da ya fi. Muhimmancin tashin kuliya da coper ta bayar shi ake kira tashin kuliya masu inganci ko resistivity of coper.

Muhimmancin tashin kuliya masu inganci ko resistivity of coper shine $1.68 * 10^-^8\,\,\Omega-m$ .

Me Wadanda Ake Kira Abubuwan Da Tashin Kuliya Ya Zama Siffo?

Idan tashin kuliya ya zama siffo, wannan abubuwa ake kira superconductivity.

Daga amfani da likitoci ohm’s law,

$\begin{align*} I = \frac{V}{R} \end{align*}$

Idan tashin kuliya ya zama siffo, yana nufin R = 0, kuma,

$\begin{align*} I = \frac{V}{0} = \infty \end{align*}$

Saboda haka, akwai karamin tsari da ke sauka a kan mai kula idan tashin kuliya ya zama siffo; wannan abubuwa ake kira superconductivity.

Za a iya cewa idan k'adancin kuli mai zafi ya kai zero, yana da k'adancin tsakiyar daidai.

$\begin{align*} G = \frac{1}{R} = \frac{1}{0} = \infty \end{align*}$

Yadda Yana Iyakar K'adancin Tsakiya ga K'adancin Kuli Mai Zafi

Daga cikin irin da a sani, k'adancin kuli mai zafi na iya bayyana haka,

$\begin{align*} R \propto \frac{l}{a} \end{align*}$

$\begin{align*} R = \rho \frac{l}{a} \,\, \Omega \end{align*}$

Idan R = k'adancin kuli mai zafi

$l$ = girman kuli mai zafi

a = tsakiyar aiki na kandar daɗin

$\rho$ = sabbin bayanin inganci na abu a cikin harsuna ko kayayyakin abu

Tana, idan $l = 1\,\,m , a = 1\,\,m^2$ kuma

$\begin{align*} R = \rho \end{align*}$

Saboda haka, kayayyakin abu na kayayyakinta abu shine kayayyakin da aka bari a tsakiyar yawan abu da tsakiyar aiki na abu.

A sani cewa har da wani abu mai kayayya ne a kan kayayyakin abu; saboda haka, babban kayayyakin abu ta shafi tsakiyar da aiki na abu da aka amfani da ita.

Mai baƙo: Electrical4u

Bayanin: Yara mafi girma, bayanan da suka fi karɓar, idana babu gajarta zaka iya tattaunawa don canza.