Final Review

Question 1

When a semiconductor made from silicone is heated, it’s resistance

Answer 1

Decreases

Question 2

The outermost orbit of electrons is called the

Answer 2

Valence shell

Question 3

Atoms with nearly empty valiant shells. Make good

Answer 3

Conductor

Question 4

Atoms with half full valence shell are

Answer 4

Semiconductors

Question 5

Atoms with full valence shells are good

Answer 5

Insulators

Question 6

What is constructed by applying a film of metal to a ceramic rod in a vacuum?

Answer 6

Metal film resistor

Question 7

This resistor is made by coding a ceramic rod with a film of carbons instead of metal

Answer 7

Carbon film resistor

Question 8

Some electronic components must be

Answer 8

Heat sinked

Question 9

When a component is mounted to a heat sink, what is used?

Answer 9

Thermal compound

Question 10

Is a device that divides or makes smaller the input signal?

Answer 10

Attenuator

Question 11

LEDs have a forward voltage drop of about

Answer 11

1.7 volts

Question 12

Photovoltaic can be used in reverse or forward bias

Answer 12

Reverse Bias

Question 13

Which rectifier has the most ripple?

Answer 13

Single phase half wave rectifier

Question 14

What are the two components used for filtering?

Answer 14

Capacitor is used for voltage and inductor is used for current

Question 15

Capacitor filters perform well in circus that draw

Answer 15

Low current

Question 16

Inductor filters perform well in circuits that draw

Answer 16

High current

Question 17

What filter circuit causes the AC line current to conduct in pulses

Answer 17

A capacitor

Question 18

Drawing more load current from a capacitor filter supply will cause its voltage ripple to

Answer 18

Increase

Question 19

Drawing more load current from a inductor filtered supply will cause its voltage ripple to

Answer 19

Decrease