E1 final CWEA Questions and Answers with Complete
Solutions UPDATED!!!
Which basic element of electricity is also described as
"electrical pressure?" A. Current. B. Capacitance. C. Resistance.
D Voltage.
D
Technician A says that an electrical short circuit causes excess
current flow. Technician B says a short causes excess resistance
to develop. Who is right? A A only. B. B only. C. Both A and B. D.
Neither A nor B.
A
Which of the following statements about a series circuit is true?
(A It has only one path for current flow. B. It can have only one
load connected at a time. C. It offers several paths for current
flow. D. It will keep conducting even if interrupted.
A
In a_________circuit, the vehicle's frame or body serves as an
electrical conductor. A. parallel B. one-wire C. series-parallel D.
series
B
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Technician A says current is the same in each branch of a
parallel circuit. Technician B says current is the same
everywhere in a series circuit. Who is right? A. A only. B. B only.
C. Both A and B D. Neither A nor B.
B
If a circuit has a resistance of 2 ohms and a current of 4 amps,
the voltage is ________V.s
D
To protect an electrical circuit from damage by a "short," a
device called a is installed. A. diode B. capacitor © fuse D. relay
C
Technician A says that a replacement fuse must have the same
amp a 20-amp automotive fuse will handle 25 amps of current
without blowing. Who is right? rating as the original. Technician
B says A. A only. B. B only C. Both A and B. D. Neither A nor B.
A
Technician A says a transistor is a device used to rectify current
in a circuit. Technician B says a transistor is a device used to
amplify current in a circuit. Who is right? A. A only. B B only. C.
Both A and B. D. Neither A nor B.
B
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True/False According to the electron flow theory, current flows
from positive to negative.
False
True/False Unlike charges attract each other, and like charges
repel each other.
True
True/False An ammeter is a device for directly measuring the
resistance of a circuit.
False
True/False In a parallel circuit, total current is the sum of all
branch currents.
False
True/False A relay uses a small input current to control a larger
circuit current.
True
True/False When a diode is forward-biased, it acts as a
conductor.
True
True/False A circuit breaker's amp rating specifies the highest
current that the breaker can tolerate without tripping.
True