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Session 5 electronics review 2

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What precaution should be taken to prevent ESD (electro-static discharge) from potentially damaging electrical components?

a)

Touch something metal before working on components

b)

Touch something wool before working on components

c)

Touch something cloth before working on components

d)

Touch something wood before working on components

2.

What is the fourth lead of an FET (field effect transisor) called?

a)

Ground

b)

Base

c)

Bottom

d)

Lead

3.

Capacitors block ____ voltage and allow ____ voltage.

a)

DC, AC

b)

AC, AC

c)

Low, high

d)

High, low

4.

VPWR is: _____ while VREF is: _____

a)

12, 5

b)

5, 12

c)

12, 12

d)

5, 5

5.

When a diode is shorted it has:

a)

low resistance in both directions

b)

High resistance in both directions

c)

High resistance in only one direction

d)

Diodes cannot be shorted

6.

What is the purpose of a capacitor in an electrical circuit?

a)

To store electrical energy

b)

To regulate voltage

c)

To amplify current

d)

To convert AC to DC

7.

What is the function of a diode in an electrical circuit?

a)

To control the flow of current

b)

To store electrical energy

c)

To amplify voltage

d)

To convert DC to AC

8.

What is the purpose of a resistor in an electrical circuit?

a)

To limit the flow of current

b)

To store electrical energy

c)

To amplify voltage

d)

To convert AC to DC

9.

What is the function of a transistor in an electrical circuit?

a)

To amplify and switch electronic signals

b)

To store electrical energy

c)

To regulate voltage

d)

To convert DC to AC

10.

In what mode does a photo diode conduct electricity?

a)

Photovoltaic

b)

Photoconductive

c)

Photoredundant

d)

Photoamperic