Birinchi guruh
Ikkinchi guruh
Uchinchu guruh
100

Tok kuchi birligi nima

Amper (A)

100

Kuchlanish birligi nima

Volt (V)

100

Qarshilik birligi nima

OM 

200

Istemolchilar ketma-ket ulanganda qanday fizik kattalik o'zgarmaydi

Tok kuchi

200

Istemolchilar parallel ulaganda qanday fizik kattalik o'zgarmaydi

Kuchlanish

200

Istemolchilar parallel ulanganda qarshilik qanday o'zgaradi

kamayadi

300

I= U/R formuladan U topilsin

U=I*R

300

I=U/R formuladan  Qarshilik topilsin

R=U/I

300

Qarshilikni o'chov asobi nima deyiladi

Ommetr