Introduction to Technology

Chapter 8: Electricity to Electronics

Self Check Quiz

1
__________ is the flow of electrons in only one direction.
A)AC
B)DC
C)Resistance
D)Amperage
2
AC, or __________, is easier to control than direct current.
A)alternating current
B)static electricity
C)wattage
D)frequency
3
Adding components to an electrical circuit increases the
A)voltage.
B)amperage.
C)transformer.
D)resistance.
4
What term describes a material that lets electricity flow freely?
A)conductors
B)insulators
C)static electricity
D)transformer
5
What is the unit for measuring the electricity used by an appliance?
A)voltage
B)wattage
C)resisstance
D)amperage
6
Which kind of transmission do land-line telephones use?
A)wire transmission
B)atmospheric transmission
C)fiber optic transmission
D)none of the above
7
Which of the following is NOT true about digital signals?
A)They take up less storage than analog signals.
B)They can be sent faster than analog signals.
C)They are more accurate than analog signals.
D)They can be less accurate than analog signals.
8
TV and radio signals travel on electromagnetic
A)waves.
B)transistors.
C)particles.
D)circuits.
9
What is the term for an electrical circuit that has more than one path?
A)series circuit
B)parallel circuit
C)circuit breaker
D)superconductor
10
The positively charged part of an atom is called a(n)
A)proton
B)electron
C)neutron
D)none of the above
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