Deck 4: Resistors

Question 1

When the color gold is used in the multiplier band, it means to divide the numeric value of the first two bands by ____.

A) 5
B) 10
C) 100
D) 1000

Answer 1

B

Question 2

The value of a resistor can often be determined by use of the ____________________.

Answer 2

color code

Question 3

A principal function of resistors is to produce a ____, which is used to create the different ranges in multirange voltmeters.

A) voltage multiplier
B) short circuit
C) voltage divider
D) current divider

Answer 3

C

Question 4

____________________ indicates the plus and minus limits of a resistor's ohmic value.

Question 5

A rheostat is a variable resistor with ____ terminals.

A) 2
B) 3
C) 4
D) 5

Question 6

____ resistors are made from a compound of carbon graphite and a resin bonding material.

A) Graphite
B) Fixed
C) Resin
D) None of the above

Question 7

The unit of measure for resistance is ____________________.

Question 8

When working with electrical equipment that requires sensitive adjustments, ____ resistors are usually used.

A) carbon film
B) metal film
C) multiturn variable
D) carbon composition

Question 9

A potentiometer is a variable resistor used to provide a variable ____.

A) amperage
B) voltage
C) power rating
D) resistor rating

Question 10

Carbon resistors will change their value because of ____.

A) age
B) low voltage
C) overheating
D) either a or c

Question 11

When the color silver is used in the multiplier band, it means to divide the numeric value of the resistor by ____.

A) 5
B) 10
C) 100
D) 1000

Question 12

A circuit with little or no resistance in it is called ____.

A) an open circuit
B) a short circuit
C) voltage drop
D) none of the above

Question 13

A potentiometer is a variable resistor with ____ terminals.

A) 2
B) 3
C) 4
D) 5

Question 14

Resistors that have a tolerance of plus/minus 20% have ____ color bands.

A) 3
B) 4
C) 5
D) 6

Question 15

The disadvantage of the metal film resistor is that ____.

A) it has a higher tolerance rating than carbon resistors
B) it costs more than carbon resistors
C) it changes its value due to age
D) it is larger than carbon resistors

Question 16

One function of ____________________ is to limit the flow of current through a circuit.

Question 17

____ resistors are fixed resistors that are made by winding a piece of resistive wire around a ceramic core.

A) Carbon film
B) Metal glaze
C) Metal film
D) None of the above

Question 18

The value of 5 M-ohms is ____ ohms.

A) 500
B) 5,000
C) 500,000
D) 5,000,000

Question 19

____ resistors have only one ohmic value, which cannot be changed or altered.

A) Stable
B) Unit
C) Single
D) Fixed

Question 20

____ resistors can operate at higher temperatures than any other type of resistor.

A) Carbon film
B) Wire wound
C) Carbon metal
D) Carbon composition

Question 21

Resistors also have a _________________________ in watts that should not be exceeded or the resistor will be damaged.

Question 22

A ____________________ resistor is a resistor whose values can be changed or varied over a range.

Question 23

When using the color code to determine resistor values, the first ____________________ bands represent number values.

Question 24

When using the color code to determine the value of a resistor, the ____________________ band is the tolerance band, when the tolerance of the resistor is 5% or 10%.

Question 25

Resistors that have a tolerance of plus/minus 1%, as well as some military resistors, contain ____________________ bands of color.

Question 26

When using the color code to determine resistor values, the third band is called the ____________________ band.

Question 27

The most common popular name for variable resistors is ____________________.