Residential Wiring Exam Questions With Verified Answers.
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Course
Electrical Wiring
Institution
Electrical Wiring
Residential Wiring Exam Questions With
Verified Answers.
Ch. 1 - answerSafety
Electrical Burn - answerA burn that occurs when electricity passes through the body
Arc Flash - answerAn explosion that takes place when electricity short-circuits through the air or
across inadequate insulation
Per...
Insulators - answer✔Substances that prevent electrons from flowing freely
Equilibrium - answer✔When two connected bodies have the same number of electrons; a balanced
condition
Electrical Potential - answer✔The ability to provide electrons
Direct Current (DC) - answer✔A current that flows in one direction
Alternating Current (AC) - answer✔A periodic current that continuously reverses direction
Cycles - answer✔A cycle is one complete repetition of a wave-form or signal. The rate at which the
signal repeats itself is expressed in cycles per second, or Hertz Hz.
Hertz - answer✔A unit of frequency that equals one cycle per second. (Named after Heinrich Hertz)
1 Complete Cycle Equals - answer✔60 Turns Per Sec. And/Or 60 Hz.
Anode - answer✔The Positive terminal of a battery
Cathode - answer✔The negative terminal of a battery
Wet Cell - answer✔A battery that uses a liquid electrolyte
Dry Cell - answer✔A battery that uses chemical paste electrolyte
Electrolyte - answer✔The chemical that is liquid or paste that allows the flow of electrons in a battery
Generator - answer✔A device that uses electromagnetic induction to convert mechanical energy to
electrical energy
Current ( I ) - answer✔The flow of electrons
Amperage ( A ) - answer✔The measurement of the rate of flow of electrons
Ampere ( AMPS ) - answer✔The unit measuring amperage or current
Electromotive Force ( EMF ) ( E ) - answer✔The force that causes current to flow between two objects
with different electrical potential
Voltage ( V ) - answer✔The measurement of electromotive force
Volts - answer✔The units of measurement of EMF. Named after Alessandro Volta
Resistance ( R ) - answer✔The opposition to the flow of electrons through a conductor
OHM'S ( Ω ) - answer✔The units of measurement used to express resistance. Named after Georg Simon
Ohm
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