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Electrical Theory & Applications for HVACR
©2012 ESCO Group
Student Worksheet
Page 47
Chapter 2: Circuits and Their Components
Name _______________________________
Date _____________________
Find the unknown resistance and solve for power, voltage drop, amperage, and total
resistance in the following circuit using the parallel organizer. Total amperage for the circuit
listed below is 90.
? Ω
40 Ω
15 Ω
30 Ω
I=24
R1
R2
R3
R4
OHM’S LAW PARALLEL ORGANIZER
Resistance (Ω) Current (I) Voltage (E)
Power (W)
R‐1
30
R‐2
15
24
R‐3
40
Total
90
R‐4
?