cÖ‡qvRbxq hš¿cvwZ I gvjvgvj t cvIqvi mvcøvB BDwbU Model

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Today’s Experiment

Exp. No. : 01

Name of the Experiment:

Familiarization with some electric meters and circuit equipment.

(wKQz B‡jKwUªK wgUvi I mvwK©U BKzc‡g‡›Ui mv‡_ cwiwPwZ)

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 ‡iwR÷i I Kvjvi †KvW ‡`‡L gvb wbY©q

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 ‡iwR÷‡ii wPG

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 ‡iwR÷‡ii cÖZxK

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 f¨vwiA¨vej(cwieZ©bkxj gvb) ‡iwR÷‡ii wPG

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 K¨vcvwmU‡ii wPG

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 K¨vcvwmU‡ii wPG

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 BbWvKU‡ii wPG

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 A¨vwgUvi

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 A¨vwgUv‡ii †¯‹‡gwUK wPG

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 A¨vwgUv‡ii ms‡hvM

wPG

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 wWwm I Gwm A¨vwgUv‡ii Qwe (Pj‡e....)

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Gwm

A¨vwgUvi wWwRUvj

A¨vwgUvi

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wWwm AvwgUvi

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 wWwm I Gwm A¨vwgUv‡ii Qwe

Old Type

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 ‡fvëwgUvi

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 ‡fvëwgUv‡ii †¯‹‡gwUK wPG

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 ‡fvëwgUv‡ii ms‡hvM wPG

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 wWwm I Gwm

‡fvëwgUv‡ii Qwe(Pj‡e....)

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 wWwm I Gwm

wWwRUvj

‡fvëwgUvi

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 wWwm I Gwm

wWwRUvj

‡fvëwgUvi

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 wWwm I Gwm

wWwRUvj

‡fvëwgUvi

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 wWwm I Gwm

wWwm

‡fvëwgUvi

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 wWwm I Gwm

wWwm

‡fvëwgUvi

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 wWwm I Gwm

‡fvëwgUv‡ii Qwe

Gwm ‡fvëwgUvi

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 gvwëwgUv‡ii Qwe(Pj‡e...)

 gvwëwgUvi w`‡q †fv‡ëR, Kv‡i›U, †iva wZbwUB cwigvc Kiv hvq

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 gvwëwgUv‡ii Qwe(Pj‡e...)

Analog Type

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 gvwëwgUv‡ii Qwe

Digiital Type

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 IqvUwgUvi

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 IqvUwgUv‡ii †¯‹‡gwUK wPG

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 IqvUwgUv‡ii

Qwe(Pj‡e...)

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 IqvUwgUv‡ii Qwe(Pj‡e...)

wWwRUvj IqvU wgUvi

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 IqvUwgUv‡ii Qwe (Pj‡e...)

wWwRUvj IqvU wgUvi

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 IqvUwgUv‡ii Qwe

Old Type(Analog)

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 wWwm cvIqvi mvcøvB‡qi Qwe

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Dual port

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Experiment No : 02

Name of Experiment :

Verification of Ohm’s law

(In‡gi m~‡Gi mZ¨Zv cªgvb)

Today’s Experiment

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 D‡Ïk¨(Aim) t

1| In‡gi m~‡GimZ¨ZvhvPvBKiY|

2| wKfv‡eDrm , A¨vwgUvi, †fvëwgUvi,

†jvWms‡hvMK‡imvwK©UwU ˆZixKi‡Zn‡eZvRvbv|

 ZË(Theory)t

ZvcgvGvAcwiewZ©Z

_vK‡j†Kvbcwievnxi `yBcÖv‡šÍiwefe cv_©†K¨igvbGescwievnxiga¨

w`‡qcÖevwnZKv‡i‡›Uigv‡biAbycvZ GKwUayªemsL¨v| A_v©r= Constant

(43)

cÖ‡qvRbxq hš¿cvwZ I gvjvgvj t

cvIqvi mvcøvB BDwbU Model: M10- SP3003L

wWwm A¨vwgUvi

Model: ED-205

wWwm ‡fvëwgUvi

Model: ED-205

100Ω,150Ω 470Ω resistors

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 cvIqvi mvcøvB BDwbU 0-32 Volt,3.2 Amp

………….. 1wU

A¨vwgUvi 0-1A,or 0-5A ……….

1wU

†fvëwgUvi 0-25V or 0-5oV ………..

1wU

gvwëwgUvi

……… 1wU

†iwR÷i 100Ω,150Ω 470Ω A_ev

myweavRbK gvb wewkó.. 3wU

ms‡hvMKvix cÖ‡qvRbxq Zvi

 myZivs cÖ‡qvRbxq hš¿cvwZ I gvjvgvj nj t

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Circuit Diagram

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 Kv‡Ri avct

1| cÖ‡qvRbxq hš¿cvwZ I gvjvgvj msMÖn K‡i mvwK©U WvqvMÖvg I †cvjvwiwU Abyhvqx wgUvimg~n Ges †jv‡Wi ms‡hvM m¤úbœ Kwi|

2| mvwK©‡U A¨vwgUvi wmwi‡R I †fvëwgUvi mgvšÍi†j ms‡hvM Kwi|

3|mvwK©‡U A¨vwgUvi I †fvëwgUvi Gi cwie‡Z©

gvwëwgUvi e¨envi Ki‡j wR‡iv A¨vWRv÷‡g›U wVKgZ Kwi|

4| †jvW wnmv‡e 100 Ω e¨envi K‡i h_vµ‡g 5, 7.5, 10, 12.5, 17.5, 20 †fvë e¨envi K‡i A¨vwgUvi I †fvëwgU†ii cvV wbB|

5| †jvW wnmv‡e 150 Ω , 470 Ω e¨envi K‡i h_vµ‡g 5, 7.5, 10, 12.5, 17.5, 20 †fvë e¨envi K‡i A¨vwgUvi I

†fvëwgU†ii cvV wbB|

6| cÖvß WvUv n‡Z V, I, R m¤úwK©Z ˆewkó †iLv AsKb Kwi|

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 WvUv kxUt

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 ˆewkó †iLv

 K¨vjKz‡jkb

 mveavbZv

 Dcmsnvi

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IqvK© kxU

1| In‡gi m~G Abymv‡i †fv‡ëR, Kv‡i›U I

†iv‡ai g‡a¨ m¤úK© wK ?

2| In‡gi m~‡Gi myweav wK wK ? 3| In‡gi m~G †Kv_vq cÖ‡qvM nq ?

(52)

Experiment No: 3

Observing the characteristics of series circuit.

(wmwiR mvwK©‡Ui ˆewkó ch©‡eÿY)

Today’s Experiment

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 D‡Ïk¨(Aim) t

1| wmwiR mvwK©‡Ui ˆewkó ch©‡eÿY Kiv|

2| wmwiR †jv‡Wi AvovAvwo †fv‡ëR I Kv‡i›U cwigvc Kiv|

3| wmwiR mvwK©‡Ui cÖ‡qvM m¤ú‡K© Rvbv|

†h mvwK©‡Ui cÖwZwU †jv‡Wi Kv‡i›U mgvb Ges †jvW mg~‡ni

†fv‡ëR Wª‡ci exRMvwYwZK mgwó mvwK©‡Ui Av‡ivwcZ †gvU †fv‡ë‡Ri mgvb †mB mvwK©U‡K wmwiR

mvwK©U e‡j|

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wWwm A¨vwgUvi

Model: ED-205

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myZivs cÖ‡qvRbxq hš¿cvwZ I gvjvgvj t

 cvIqvi mvcøvB BDwbU 0-32 Volt,3.2 Amp …………..

1wU

 A¨vwgUvi 0-1A,or 0-5A ……….

1wU

 †fvëwgUvi 0-25V or 0-5oV ………..

4wU

 gvwëwgUvi ………

1wU

 †iwR÷i 100Ω,150Ω 470Ω A_ev myweavRbK gvb wewkó ...3wU

 ms‡hvMKvix cÖ‡qvRbxq Zvi

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Circuit Diagram

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j¨v‡e Kv‡Ri Qwet

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4| †jvW wnmv‡e 100 Ω, 150 Ω , 470 Ω e¨envi K‡i 5 †fvë e¨envi K‡i A¨vwgUvi I †fvëwgU†ii cvV wbB|

5| †jvW wnmv‡e 100 Ω , 1500 Ω, 470Ω e¨envi K‡i 10

†fvë e¨envi K‡i A¨vwgUvi I †fvëwgU†ii cvV wbB|

6| †jvW wnmv‡e 100 Ω , 150Ω, 470Ω e¨envi K‡i 15

6| cÖvß WvUv n‡Z wmwiR mvwK©‡Ui mZ¨Zv hvPvB Kwi|

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 WvUv kxUt

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1. Ical= Vs/Rt 2. %Error=(Im-Ic)/Im * 100

 mveavbZv

 Dcmsnvi

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IqvK© kxU

1| wmwiR mvwK©‡Ui ˆewkó¨ wK ?

2|djvd‡ji m¤¢ve¨ ÎæwUi KviY I cÖwZKvi wjL?

3| GB mvwK©U †Kv_vq cÖ‡qvM nq ?

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Experiment No:4

Observing the characteristics of parallel circuit.

(c¨viv‡jj mvwK©‡Ui ˆewkó ch©‡eÿY)

Today’s Experiment

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1| c¨viv‡jj mvwK©‡Ui ˆewkó ch©‡eÿY Kiv|

2| c¨viv‡jj †jv‡Wi AvovAvwo †fv‡ëR I Kv‡i›U cwigvc Kiv|

3| c¨viv‡jj mvwK©‡Ui cÖ‡qvM m¤ú‡K© Rvbv|

 D‡Ïk¨(Aim) t

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†h mvwK©‡Ui cÖwZwU †jv‡Wi †fv‡ë‡Ri gvb mgvb Ges †jvW mg~‡ni Kv‡i›U cÖev‡ni exRMvwYwZK

mgwó mvwK©‡Ui cÖevwnZ †gvU Kv‡i›Ui mgvb †mB mvwK©U‡K wmwiR mvwK©U e‡j| GB mvwK©‡Ui

Kv‡i›U cÖev‡ni GKvwaK c_ _v‡K|

From figure : ^V⁼^V¹⁺^V²⁺^V^{3 &}Î⁼Î¹⁺Î²⁺Î^{3 & 1/}^R^t=1/^R^1+1/^R^2+1/^R³

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wWwm A¨vwgUvi

Model: ED-205

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 cvIqvi mvcøvB BDwbU 0-32 Volt,3.2 Amp …………..

1wU

 A¨vwgUvi 0-1A,or 0-5A ……….

4wU

 †fvëwgUvi 0-25V or 0-5oV ………..

1wU

 gvwëwgUvi ………

1wU

 †iwR÷i 100Ω,150Ω 470Ω A_ev myweavRbK gvb wewkó ...3wU

 ms‡hvMKvix cÖ‡qvRbxq Zvi

 myZivs cÖ‡qvRbxq hš¿cvwZ I gvjvgvj t

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 Circuit Diagram

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4| †jvW wnmv‡e 100 Ω, 150 Ω , 470 Ω e¨envi K‡i 5 †fvë e¨envi K‡i A¨vwgUvi I †fvëwgU†ii cvV wbB|

5| †jvW wnmv‡e 47 Ω , 1000 Ω, 470Ω e¨envi K‡i 10

6| †jvW wnmv‡e 10KΩ , 15KΩ, 470Ω e¨envi K‡i 15 †fvë e¨envi K‡i A¨vwgUvi I †fvëwgU†ii cvV wbB|

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 WvUv kxUt

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 K¨vjKz‡jkb

1. Ical= Vs/Rt 2. %Error=(Im-Ic)/Im * 100

 mveavbZv

 Dcmsnvi

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2|djvd‡ji m¤¢ve¨ ÎæwUi KviY I cÖwZKvi wjL?

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Today’s Experiment

Exp. No. : 05

Name of the Experiment:

Measuring the power of electrical load.

(‰e`y¨wZK ‡jv‡Wi cvIqvi cwigvcKiY)

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 D‡Ïk¨(Aim) t

1| GKwU ‡jv‡Wi cvIqvi cwigv‡ci Rb¨

IqvU wgUvi I †jvW wKfv‡e ms‡hvM Ki‡Z nq Zv Rvbv|

2| B‡jKwUªK¨vj cvIqvi cwigv‡ci

c×wZ Ges wKfv‡e cvV wb‡Z nq Zv Rvbv|

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ZË(Theory) t

KvR Kivinvi‡KcvIqvie‡j|

Li‡Pinvi‡KB‡jKwUªK¨vjcvIqvie‡j|

GicÖwZK PGes GKK Watt/W , KW,

MWBZ¨vw`| wWwmcvIqvinjP=I^2*R, P=VI, P=V^2/R GesGwmcvIqvinjP=VI

†KvY| GwmcvIqv‡ii‡ÿ‡G, †fv‡ëR I

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ac/dc voltmeter , SF-80 ac/dc ammeter , SF-80 ac/dc watt meter , singe phase,digital

40W,60W,100W,250V

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IqvU wgUvi 220V,0-750Watts, AC/DC

………... 1wU

A¨vwgUvi 0-5A, AC/DC

……… 1wU

†fvëwgUvi 0-250V, AC/DC

……… 1wU

gvwëwgUvi

……… 1wU

wdjv‡g›U evj¦ (40W,60W,100W,250V)

……….. 3wU

ms‡hvMKvix cÖ‡qvRbxq Zvi

 myZivs cÖ‡qvRbxq hš¿cvwZ I gvjvgvj t

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 Circuit Diagram

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1| cÖ‡qvRbxq hš¿cvwZ I gvjvgvj

†cvjvwiwU Abyhvqx wgUvimg~n Ges

†jv‡Wi ms‡hvM m¤úbœ Kwi|

†fvëwgUvi mgvšÍi†j ms‡hvM Kwi|

4| IqvU wgUv‡ii ms‡hvM evi evi †PK Kwi|

(84)

 WvUv kxUt

(85)

 mveavbZv

fvjfv‡e †PK Kwi|

2| †fvëwgUvi, A¨vwgUvi, IqvU wgUvi ms‡hvM wVK Av‡Q wK bv †PK Kwi|

 Dcmsnvi

(86)

1| B‡jKwUªK¨vj cvIqv‡ii m~G¸‡jv wjL|

2| djvd‡j 20% Gii Avm‡j Zvi KviY I cÖwZKvi wjL|

3| hw` mieivn †fv‡ëR 220 †fvë I †jvW

†iwR÷I 1000 IÕng nq Z‡e e¨wqZ cvIqvi KZ ?