Resistive CircuitsResistive Circuits

INEL 4075INEL 4075 - - Chapter 3Chapter 3

Dr. Sandra Cruz-PolDr. Sandra Cruz-PolProfessor Professor

Electrical & Computer EngineeringElectrical & Computer Engineering

UPRMUPRM

Bosquejo

Leyes de voltaje y Corriente (Kirchhoff)

Series resistors Voltage division

Parallel Resistors Current division

Circuit analysis

Circuit Laws

Voltage sum (Kirchoff Voltage Law – KVL) The sum of the v in any closed loop is cero

Current sum (Kirchoff Current Law – KCL) The sum of the currents at any node is cero

Series resistors & Voltage Division

Ley de Ohm V= I R

Vn

R1 R4R2 R3

R5

Voltage Divider

sn

nn v

RRRR

Rv

...321

NS RRRRR ...321

Parallel Resistors: Current Divider

I = V / R

Current Division

siRR

Ri

21

12

RG

RR

RRRp

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