Session 5 electronics review 2

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

• Touch something metal before working on components

• Touch something wool before working on components

• Touch something cloth before working on components

• Touch something wood before working on components

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

• Ground

• Base

• Bottom

• Lead

Capacitors block ____ voltage and allow ____ voltage.

• DC, AC

• AC, AC

• Low, high

• High, low

VPWR is: _____ while VREF is: _____

• 12, 5

• 5, 12

• 12, 12

• 5, 5

When a diode is shorted it has:

• low resistance in both directions

• High resistance in both directions

• High resistance in only one direction

• Diodes cannot be shorted

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

• To store electrical energy

• To regulate voltage

• To amplify current

• To convert AC to DC

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

• To control the flow of current

• To store electrical energy

• To amplify voltage

• To convert DC to AC

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

• To limit the flow of current

• To store electrical energy

• To amplify voltage

• To convert AC to DC

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

• To amplify and switch electronic signals

• To store electrical energy

• To regulate voltage

• To convert DC to AC

In what mode does a photo diode conduct electricity?

• Photovoltaic

• Photoconductive

• Photoredundant

• Photoamperic