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Electrical Theory & Applications for HVACR
©2012 ESCO Group
Student Worksheet
Page 37
Chapter 2: Circuits and Their Components
Name _______________________________
Date _____________________
A 10 Ω, 20 Ω, and 30 Ω resistor are connected in series to a 120‐volt power source. Find the
total resistance, current, voltage drop across each resistor, as well as the power for the
following circuit.
Record your answers in the boxes below.
OHM’S LAW SERIES ORGANIZER
Resistance (Ω)
Current (I)
Voltage (E)
Power (W)
R‐1
10
R‐2
20
R‐3
30
Total
120