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Resistor na Gaba: Me ke Wani Da Yake Maimaita?

Electrical4u
فیلڈ: Karkashin Kuliya da Dukkana
0
China

Mai shi ne a Shunt Resistor?

Shunt resistor (ko shunt) yana nufin wurare da ya ba hankali da rikitar fage mai kusa da yake zama na gaba-gaban tsafta cewa electric current ta haɗa da tsafta. A cikin yawan lokaci, shunt resistor yana shafi da mutanen abubuwa masu tsari mai kusa da rikita, wanda yake ba da rikita mai kusa a kan yawan hawa.

Shunt resistors suna amfani da su a wurare da ke samun fage mai kusa da suke bayar “ammeters”. A cikin ammeter, shunt resistance yana ci gaba-gaba. Ammeter yana ci gudan gaban wurare ko tsafta.

Yadda Shunt Resistor Yake Iya Samun Fage?

Shunt resistor yana da rikita mai kusa. Yana ba hankali da rikita mai kusa, kuma yana ci gaba-gaban wurare da ke samun fage mai kusa.

Shunt resistor yana amfani da ohm’s law don samun fage mai kusa. Rikita shunt resistor yana sanu. Kuma yana ci gaba-gaban ammeter. Saboda haka, voltage yana dace.

Saboda haka, idan a maimaita voltage a kan shunt resistance, za a iya samun fage mai kusa da take haɗa da wurare da wannan equation ta ohm’s law.

  \[ I = \frac{V}{R} \]

Amfani da Shunt Resistor don Samun Fage Mai Kusa

Idan an samu ammeter da take da rikita Ra da take samu fage mai kusa mai kusa Ia. Don samun inganci a kan ammeter, shunt resistor Rs yana ci gaba-gaban Rm.

Tartar da dalilai a kan waɗannan habubi ana bayyana a kan takarda ta hagu.


image.png


Fage mai kusa da aka baka da shugaban wurare shi ne I. Ana ba shi a biyu abubuwa.

A cikin Kirchhoff’s current law (KCL), 

 \[ I = I_s + I_a \]

Me:

Is = fage mai kusa da take haɗa da Rs (shunt current)

Ia = fage mai kusa da take haɗa da Ra

\[ I_s = I - I_a \]

Shunt resister Rs yana ci gaba-gaban Ra. Saboda haka, voltage drop a kan biyu resisters yana dace.

  \[ V_s = V_a \]

\[ I_s R_s = I_a R_a \]

  \[ (I - I_a) R_s = I_a R_a \]

  \[ IR_s - I_a R_s = I_a R_a \]

Ba da kyau kuma kara mai rubutu!

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