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  5. ASVAB Section 5: Electronic Information

Free ASVAB Section 5: Electronic Information Exam Braindumps (page: 23)

Page 22 of 46
PDF with 180 Questions

An insulator is a material with _________________ .

  1. many free electrons
  2. few free electrons
  3. many free protons
  4. many free ions

Answer(s): B

Explanation:

An insulator is a material that has tightly held electrons and very few, if any, free electrons. This means that it can be used to protect the conductor since the insulator will not allow free electrons from the conductor to knock lose any tightly held electrons of the insulator material.



Opposition to current flow is measured in ___________________.

  1. ohms
  2. amps
  3. volts
  4. watts

Answer(s): A

Explanation:

The unit of measure for resistance or opposition to current flow is the ohm. It was agreed on many years ago and has aided in making the electrical field progress so rapidly.



A watt is the power that gives rise to the production of energy at the rate of _________________.

  1. 1 joule per minute
  2. 1 volt per second
  3. 1 amp per second
  4. 1 joule per second

Answer(s): D

Explanation:

The watt is the unit of power in electrical work. It is defined as the production of energy at the rate of one joule per second (per second is the basis for all electrical work).



The Greek letter phi (φ) is used to ________________.

  1. indicate ohms
  2. indicate angles or phases
  3. indicate volts
  4. indicate dielectric flux

Answer(s): B

Explanation:

The Greek alphabet is used almost in its entirety in the electrical field to represent various quantities and effects. The Greek letter phi (φ) is familiar if you have been looking at three-phase power. It is used to represent the phases of electrical power.






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