CP Workbook
Series Circuits
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In the circuit shown at the right, a voltage of 6 V pushes charge through a single resistor of 2 W. According to Ohm's law, the current in the resistor, and therefore in the whole circuit, is ____ A.
If a second identical lamp is added, as on the left, the 6-V battery must push charge through a total resistance of ___ ohms.
The current in the circuit is then ___ A.
The equivalent resistance of three 4-ohm resistors in series is ___ ohm(s).
Does current flow through a resistor or across a resistor?
through
across
Is voltage established through a resistor or across a resistor?
through
across
Does current in the lamps occur simultaneously, or does charge flow first through one lamp, then the other, and finally the last in turn?
simultaneously
one at a time
Refer to the following information for the next seven questions.
Circuits
a
and
b
below are identical with all bulbs rated at equal wattage and therefore equal resistance. The only difference between the circuits is that Bulb 5 has a short circuit, as shown.
In which circuit is the current greater?
circuit
a
circuit
b
In which circuit are all three bulbs equally bright?
circuit
a
circuit
b
In which circuit are the bulbs the brightest?
circuit
a
circuit
b
When both circuits are operating, which bulb(s) is(are) the dimmest?
#1
#2
#3
#4
#5
#6
What bulbs have the largest voltage drops across them?
1, 2, 3
4, 6
5
Which circuit dissipates more power?
circuit
a
circuit
b
What circuit produces more light?
circuit
a
circuit
b
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Worksheet:
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The Cycle Shop
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DC Currents
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Electric Power
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Ohm's Law
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Parallel Circuits
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Power Production
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Power Transmission
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RIVP Charts #1
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RIVP Charts #2
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Brightness
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Light and Heat
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Parallel Circuit
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Series Circuits
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Shock!
WS -
Capacitors - Connected/Disconnected Batteries
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Combinations of Capacitors
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Introduction to R | I | V | P Charts
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Kirchhoff's Laws: DC Circuits with Capacitors
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Kirchhoff's Laws: Sample Circuit
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Resistance, Wattage, and Brightness
TB -
34A: Electric Current
TB -
35A: Series and Parallel
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Advanced Capacitors
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Basic Capacitors
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Basic DC Circuits
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Multiple-Battery Circuits
TB -
Textbook Set #6: Circuits with Multiple Batteries
Paul G. Hewitt
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All rights reserved.
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