Question

The primary winding of ignition coil is made of ________

(a) 1 mm diameter copper wire

(b) 0.8 mm diameter copper wire

(c) 0.6 mm diameter copper wire

(d) 1.2 mm diameter copper wire

I have been asked this question by my college director while I was bunking the class.

This interesting question is from Working Principle of Battery Ignition System topic in section Ignition and Power Transmission of Farm Machinery

Answer 1

Right choice is (b) 0.8 mm diameter copper wire

The explanation is: Primary winding of the transformer is the coil that draws power from the external source. The primary winding of ignition coil is made of 0.8 mm diameter copper wire.