# single phase AC

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1. OHM'S LAW
V=IR
2. POWER EQN's
• P =  I2 R
• P = VI
3. Charge
Q = CV
4. CURRENT (SERIES)
IS = I1 or I2 or I3 etc...

(Opposite of Voltage)
5. VOLTAGE (SERIES)
VS = V1 + V2 + V3 etc

(Opposite of Current)
6. RESISTANCE (SERIES)
RT = R1 + R2 + R3 etc

(Opposite of Capacitance)
7. CAPACITANCE (SERIES)
•  1          1
• CT =   C1 + C2  etc...

(Opposite of Resistance)
8. CURRENT  (PARALEL)
IS = I1 + I2 + I3 etc...

(Opposite of Voltage)
9. VOLTAGE (PARALEL)
VS= V1 or V2 or V3 etc...

(Opposite of Current)
10. RESISTANCE (PARALEL)
•  1
• RT  =   R1  +   R2  +   R3 etc..
• (Opposite of Capacitance)
11. CAPACITANCE (PARALEL)
CT = C1 + C2 + C3 etc...

(Opposite of Resistance)
12. 2 RESISTORS
• RT  =   R1 x  R2
•             R1 +  R2
•
13. CURRENT DIVIDER
(OPPOSITE)

• I1 =   IS x R2
•          R1+R2
• or

• I2 =  IS x R1
•         R1+R2
14. VOLTAGE DIVIDER
(SAME)

• V1 =  VS x R1
•           R1+R(equivalent)
 Author: nonghost ID: 184519 Card Set: single phase AC Updated: 2012-11-19 23:26:51 Tags: FORMULAE Series Paralel Folders: Description: Current,Voltage, Resistance, Capacitance, Current Divider, Voltage Divider Show Answers: