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Definition Of:

Ignition coil

Engineering DictionaryDictionary of Automotive Terms
A pulse transformer which is a part of the ignition system . It receives a small amount of electrical voltage from the battery and steps up the low "primary" voltage and amplifies it into a big jolt of voltage of about 20,000 volts, and sends it to the spark plugs via the distributor . It is made of two windings and a core of iron. The primary coil has about 200 turns of relatively heavy wire. The secondary windings may have as much as 22,000 windings of fine wire. As electricity travels through the primary winding , it produces a magnetic field in the coil. When the points open, the magnetic field collapses and the movement of the magnetic field induces current in the secondary windings of the coil. The voltage is stepped up in proportion to the ratio of secondary to primary turns and the distributor directs this high voltage to the spark plug . Also see exciter coil and field coil .
See also: VACUUM PUMP , EAI , U-FACTOR , M&M , OBO

 

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A
A Bone
A-2 tire
A-arm
A C
A C CIRCUIT
A D Converter
A F ratio
AAA
AABM
AAC
AAE
AAIA
AALA
AAM
AAMA
AAP
AAS
AAT
AAV
ABC
ABCM
ABDC
ABI Inform
ABMA
ABRASION
ABRASION RESISTANCE
ABRASIVE EROSION
ABS
ABSOLUTE HUMIDITY
ABSOLUTE TEMPERAT...ABSOLUTE ZERO
ABSOLUTE ZERO TEM...
ABSORBENT
ABSORBER
ABSORPTION
ABSORPTION REFRIG...ABSORPTION REFRIG...ABSORPTION SYSTEM
ABSORPTION TOWER
ABUS
ABV
AC
AC Ace
AC Aceca
AC Buckland
AC Linearity
AC Shelby Cobra
ACC
ACC(2)
ACCELERATION DUE ...
ACCELERATION PERIOD
ACCELERATOR
ACCEPTABLE WELD
ACCESSIBLE HERMETIC
ACCUMULATOR
ACE
ACEA
ACETONE
ACID
ACID ATTACK
ACID CLEANING
ACID CONDITION IN...
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ACID GAS
ACID RAIN
ACID SOAK
ACIDIC
ACIDIFIED
ACIDITY
ACL
ACOUSTIC
ACRC
ACROSS THE LINE
ACRS
ACT
ACTION
ACTIVATED ALUMINA
ACTIVATED CARBON
ACTIVATED SLUDGE
ACTIVE STORAGE PILE
ACTIVE SYSTEM
ACTUATOR
ACV
ADA
ADB
ADEFA
ADIABATIC
ADIABATIC CHANGE
ADIABATIC COMPRES...
ADIABATIC COOLING
ADIABATIC EFFICIE...ADIABATIC EXPANSION
ADIABATIC PROCESS
ADIABATIC SATURAT...ADJUSTABLE DIFFER...
ADJUSTABLE RESISTOR
ADR
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