AST Practice by Electronics Technicians Association International

What does ESD stand for?
ESD stands for ElectroStatic Discharge.

Current amounts between ... and ... can be lethal.
Current amounts between 100 mA and 200 mA can be lethal.

What is the number one concern in regards to electrical safety?
The number one concern in regards to electrical safety is shock.

What three components does Bohr's Atomic Model consist of?
The three components that Bohr's Atomic Model consists of are:

  1. Protons.
  2. Neutrons.
  3. Electrons.

How are electrons arranged around a nucleus?
Around a nucleus, electrons are arranged in shells.

What are the three types of materials used in electronics?
The three types of materials used in electronics are:

  1. Conductors.
  2. Semi-conductors.
  3. Insulators.

What are the five common classifications of fires in the United States?
The five common classifications of fires in the United States are:

  1. A.
  2. B.
  3. C.
  4. D.
  5. K.

What does Coulomb's law describe?
Coulomb's law describes the forces of attraction or repulsion between electrical charges.

The forces of attraction or repulsion between electrical charges are ... ... to the product of the charges and ... ... to the distance between them.
The forces of attraction or repulsion between electrical charges are directly proportional to the product of the charges and inversely proportional to the distance between them.

What can the magnetic field that surrounds a magnet be described as?
The magnetic field that surrounds a magnet can be described as invisible lines of force.

What are the invisible lines of force that make up a magnetic field commonly referred to as?
The invisible lines of force that make up a magnetic field are commonly referred to as lines of flux.

What three things does an Analog MultiMeter (AMM) check for?
The three things that an AMM checks for are:

  1. Voltage.
  2. Current.
  3. Resistance.

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