chapter 5 basic electrical
What type of resistors can only have one ohmic value?
fixed
What type of fixed resistor is made by winding a piece of resistive wire around a ceramic core?
wire-wound
In electrical schematics, the symbol used to represent a resistor is standard.
false
There are many more resistance values available for ten percent tolerance resistors than for one percent tolerance resistors.
false
Resistors functioning as _____ are used in applications involving field-effect transistors (FETs) and multirange voltmeter circuits.
voltage dividers
What type of resistors are generally used when a high power rating is needed?
wire wound
The value of a resistor can often be determined by the "color code."
true
How many color bands are used on resistors that have a tolerance of ±20 percent?
three
The _____ of a resistor indicates the plus and minus limits of a resistor's ohmic value.
tolerance
What type of fixed resistor is made by applying a film of metal to a ceramic rod in a vacuum?
metal film
What type of fixed resistor is made by combining metal with glass and then applying it to a ceramic base as a thick film?
metal glaze
What type of resistor operates by moving the wiper arm with a screw of some number of turns?
multiturn variable
What is another term for a variable resistor?
multiturn variable resistors
A variable resistor with three terminals is called a _____.
potentiometer
A variable resistor with two terminals is called a _____.
rheostar
There are many more resistance values available for ten percent tolerance resistors than for one percent tolerance resistors.
short
A resistor whose values can be varied over a range of values is called a _____ resistor.
carbon
What type of fixed resistor is made by applying a film of carbon to a ceramic rod?
carbon film
What type of fixed resistor is made from a compound of carbon graphite and resin bonding material?
composition corbon
What is indicated by the fourth color band on a resistor?
divider
What color used as the multiplier band means to divide the combined first two numbers by 10?
gold