A) Spark coil consists of two coils of insulated wire. Primary coil, is made from relatively few turns of fine wire. The secondary coil consists of up to a million turns of coarse wire.
B) Spark coil consists of two coils of insulated wire. Primary coil, is made from a tens or million turns of coarse wire. The secondary coil consists of up to a few turns of fine wire.
C) Spark coil consists of two coils of insulated wire. Primary coil, is made from relatively few turns of coarse wire. The secondary coil consists of up to a million turns of fine wire.
D) Spark coil consists of two coil of insulated wire. Both primary and secondary coil, is made from a million turns of fine wire.
Correct Answer: C
Solution :
Option [c] is correct. Explanation: The spark coil consists of two coils of insulated wire wound around a common iron core. One coil, called the primary coil, is made from relatively few (tens or hundreds) turns of coarse wire. The other coil, the secondary coil typically consists of up to a million turns of fine wire (up to 40 gauge.)
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