CP Workbook
RIVP Charts #2
Printer Friendly Version
All circuits below have the same lamp A, with resistance of 6 ohms, and the same 12-volt battery with negligible resistance. The unknown resistances of lamps B through L are such that the current in lamp A remains 1 ampere.
Circuit #1
In the circuit shown below, how much current flows through the battery?
R (ohms)
I (amps)
V (volts)
P (watts)
A
B
Circuit #2
Lamp B is now replaced with two identical bulbs, C and D, as shown below.
The current through lamp C is ___ A.
R (ohms)
I (amps)
V (volts)
P (watts)
A
C
D
Circuit #3
Here identical lamps E and F replace lamp D.
The current through lamp D is ___ A.
R (ohms)
I (amps)
V (volts)
P (watts)
A
C
E
F
Circuit #4
Here lamps G and H replace lamps E and F, and the resistance of lamp G is twice that of lamp H.
The current through lamp H is ___ A.
R (ohms)
I (amps)
V (volts)
P (watts)
A
C
G
H
Circuit #5
Here identical lamps K and L replace lamp H.
The current through lamp L is ___ A.
R (ohms)
I (amps)
V (volts)
P (watts)
A
C
G
K
L
Summary
The equivalent resistance of a circuit is the value of a single resistor that will replace all the resistors of the circuit to produce the same load on the battery. Complete the following table that summarizes the equivalent resistances of each of the circuits 1-5 you have analyzed above.
Circuit #1
Circuit #2
Circuit #3
Circuit #4
Circuit #5
Equivalent Resistances
Related Documents
Lab:
CP -
Series and Parallel Circuits
Labs -
Parallel and Series Circuits
Labs -
RC Time Constants
Labs -
Resistance and Resistivity
Labs -
Resistance, Gauge, and Resistivity of Copper Wires
Labs -
Telegraph Project
Labs -
Terminal Voltage of a Lantern Battery
Labs -
Wheatstone Bridge
Resource Lesson:
RL -
A Comparison of RC and RL Circuits
RL -
Ampere's Law
RL -
An Introduction to DC Circuits
RL -
Capacitors and Dielectrics
RL -
Dielectrics: Beyond the Fundamentals
RL -
Electricity and Magnetism Background
RL -
Filaments
RL -
Kirchhoff's Laws: Analyzing Circuits with Two or More Batteries
RL -
Kirchhoff's Laws: Analyzing DC Circuits with Capacitors
RL -
Magnetic Field Along the Axis of a Current Loop
RL -
Magnetism: Current-Carrying Wires
RL -
Meters: Current-Carrying Coils
RL -
Parallel Plate Capacitors
RL -
RC Time Constants
RL -
Torque on a Current-Carrying Loop
Worksheet:
APP -
The Circuit Rider
APP -
The Cycle Shop
CP -
DC Currents
CP -
Electric Power
CP -
Ohm's Law
CP -
Parallel Circuits
CP -
Power Production
CP -
Power Transmission
CP -
RIVP Charts #1
CP -
Series Circuits
NT -
Brightness
NT -
Light and Heat
NT -
Parallel Circuit
NT -
Series Circuits
NT -
Shock!
WS -
Capacitors - Connected/Disconnected Batteries
WS -
Combinations of Capacitors
WS -
Introduction to R | I | V | P Charts
WS -
Kirchhoff's Laws: DC Circuits with Capacitors
WS -
Kirchhoff's Laws: Sample Circuit
WS -
Resistance, Wattage, and Brightness
TB -
34A: Electric Current
TB -
35A: Series and Parallel
TB -
Advanced Capacitors
TB -
Basic Capacitors
TB -
Basic DC Circuits
TB -
Multiple-Battery Circuits
TB -
Textbook Set #6: Circuits with Multiple Batteries
Paul G. Hewitt
Copyright © 1984-2005
All rights reserved.
Used with written
permission.
PhysicsLAB
HTML conversion
Copyright © 1997-2020
Catharine H. Colwell
All rights reserved.
Mainland High School
Daytona Beach, FL 32114