Free ASVAB Section 5: Electronic Information Exam Braindumps (page: 4)

Page 3 of 46

Radio waves travel ______________.

  1. at the speed of light
  2. at the speed of sound
  3. faster than the speed of light
  4. faster than the speed of sound but slower than the speed of light

Answer(s): A

Explanation:

Radio waves travel at the speed of light. The speed of sound is much slower.



Changing alternating current to direct current is called _______________.

  1. capacitance
  2. impedance
  3. rectification
  4. induction

Answer(s): C

Explanation:

Changing AC to DC is a process called rectification.



Insulated fittings can be used to splice wires, thus eliminating the need for ____________.

  1. cleaning the wires
  2. removing the plastic coating from the wires
  3. twisting the wires together
  4. soldering the wires together

Answer(s): D

Explanation:

Insulated fittings replace soldering.



The symbol shown above stands for ______________.

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

Answer(s): A

Explanation:

This symbol stands for battery.






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