Resistors and alarms

Question 1

True or false

A film resistor is made up of a glass or ceramic core.

Answer 1

True

Question 2

What’s a composition resistor?

Answer 2

A carbon based alloy together with a binder.

Question 3

Describe a wire wound resistor

Answer 3

A resistance wire around a ceramic core. The resistance wire is usually a nickel chromium or copper nickel alloy the wire in car then surrounded by ceramic or adhesive insulation material

Question 4

What are the two types of variable resistors

Answer 4

Potentiometer and rheostats

Question 5

What are the three ratings that are related to resisistors

Answer 5

Tolerance
Power rating
Resistance

Question 6

List the two categories of resistors

Answer 6

Variable and fixed

Question 7

What’s the difference between a tap and die?

Answer 7

A tap threads holes, a die threads pipe

Question 8

Soft drawn copper is generally used for?

Answer 8

Insulated conductors

Question 9

A resistor is constructed from a carbon based alloy formed into a cylindrical shape, then given a protective coating of a ceramic or silicone. What type of resistor is this?

Answer 9

A composition resistor.

Question 10

How many leads are found in a pilot type switch(low voltage remote control system) ?

Answer 10

4 leads