Physics Principles and Problems 2009

Section 23.1 : Simple Circuits

Self-Check Quizzes

1
In a series circuit, all _____ travels through each device.
A)voltage
B)current
C)energy
D)power
2
The equivalent resistance in a series circuit is found by _____ the resistances of all the resistors.
A)multiplying
B)comparing
C)adding the reciprocals of
D)adding
3
What would a series circuit be used for?
A)to power a battery
B)to light a lamp
C)as a voltage divider
D)convert chemical energy to thermal energy
4
What is the current flowing through a 10 Ω resistor in a parallel circuit with a 120 V potential difference across it?
A)1200 A
B)12 A
C)130 A
D)110 A
5
Placing resistors in parallel _____ the equivalent resistance of a circuit.
A)decreases
B)cancels
C)increases
D)localizes
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