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Which two windings does a starter solenoid contain?

  • A.A series winding and a shunt winding, which combine in order to give the strong initial pull and the steady hold
  • B.A pull-in winding and a hold-on winding
  • C.A field winding and an armature winding, which together produce the magnetic force required to move the plunger
  • D.A primary and a secondary

Answer: B

The pull-in winding is heavy and is short circuited once the contacts close, leaving the lighter hold-on winding to keep the plunger home. That arrangement gives a strong pull without a continuous heavy current. Primary and secondary belong to an ignition coil. Naming the cost of a choice alongside its benefit is what turns a fact into a design decision. Naming what changes and what stays the same is the reliable route through questions of this shape.

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