This document discusses electrical units and circuit components. It defines common units of resistance like ohms, kilohms and megohms. It explains voltage division in circuits using Kirchhoff's laws where the total voltage equals the sum of the voltages across each resistor. Finally, it provides a table that lists decimal and scientific notation equivalents to help understand resistance tolerances.

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I
(A) ,
V
(V) , R

3. Page1
IC (Integrated Circuits)
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. ,
. ,
SI
Georg
Simon Ohm
pΩ) 1pΩ = 10-12
Ω , (nΩ) 1nΩ = 10-9
Ω
, (µΩ) 1µΩ = 10-6
Ω , (mΩ) 1mΩ = 10-3
Ω ,
(kΩ) 1kΩ = 103
Ω , (MΩ) 1MΩ = 106
Ω ,
(GΩ) 1GΩ = 109
Ω (TΩ) 1TΩ = 1012
Ω
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,
,
,
,

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Veq = V1 + V2 +………………+Vn
Veq = ReqI , V1 = R1I , V2 = R2 I , Vn = Rn I
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5. Page1
N

6. ,
0 100
1 1 101
2 2 102
3 3 103
4 4 104
5 5 105
6 6 106
7 7 107
8 8 108
9 9 109

7. Page1
10-1
5%
10-2
10%
20%
R = 2 0000 5% (Ω)
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,
( J ) ( kJ
) (Ws)
(kWh)