Free ASVAB Section 5: Electronic Information Exam Braindumps (page: 21)

Page 20 of 46

The two types of diodes used in electronics work are the semiconductor diode and the ____________.

  1. vacuum tube diode
  2. full-wave diode
  3. half-wave diode
  4. zener diode

Answer(s): A

Explanation:

The two general types of diodes are the semiconductor and the vacuum tube diode. Both types have their own particular applications and advantages.



Analog color television relies on three colors to produce the full color range needed for a good picture: red, blue, and _______________.

  1. gray
  2. orange
  3. yellow
  4. green

Answer(s): D

Explanation:

Color television uses red, blue, and green "guns" to direct electron streams toward the phosphors in the front of the picture tube, producing the full color spectrum when combined properly.



The folded dipole antenna has an impedance of _____________ .

  1. 72 ohms
  2. 300 ohms
  3. 600 ohms
  4. 75 ohms

Answer(s): B

Explanation:

The folded dipole antenna – the one most commonly used for home TV reception – has an impedance of 300 ohms. The dipole has an impedance of 72 ohms.



The symbol below is used in electrical diagrams to represent a ________________.

  1. resistor
  2. capacitor
  3. transformer
  4. transistor

Answer(s): B

Explanation:

The symbol below is used in electrical diagrams to represent a capacitor.






Post your Comments and Discuss Test Prep ASVAB Section 5: Electronic Information exam with other Community members:

ASVAB Section 5: Electronic Information Discussions & Posts