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Multiple Choice Quiz
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1
Batteries and cells are mechanical devices that provide dc voltage.
A)True
B)False
2
Cell capacity refers to the amount of energy the cell can provide under specified conditions.
A)True
B)False
3
If not properly handled, lead-acid cells and batteries can be dangerous.
A)True
B)False
4
The carbon zinc cell is mechanically rugged, has low internal resistance, and can operate at high temperatures.
A)True
B)False
5
Devices known as zero-ohm resistors are often used in place of a short piece of wire on a circuit board.
A)True
B)False
6
Devices that have resistance equivalent to a conductor but have the physical size and shape of a resistor are called
A)conductors
B)potentiometers
C)rheostats
D)zero-ohm resistors
7
What is the term used to specify a percentage of the nominal resistance of a resistor?
A)power rating
B)tolerance
C)safety factor
D)derating factor
8
Which of the following devices is used to protect circuits from very sudden increases in source voltage?
A)thermistor
B)varactor
C)varistor
D)rheostat
9
A special-purpose, shielded cable used to connect antennas to receivers or transmitters is the
A)coaxial
B)ribbon
C)busbar
D)Litz
10
Which of these has the most constant output voltage as it is discharged?
A)carbon-zinc
B)mercuric oxide
C)nickel-cadmium
D)alkaline-manganese dioxide





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