Answer / k.prakashchandra

Both are one and the same regarding the function. Higher
capacity choke is called ballast.

Answer / simon

1.Choke is a type of x-mer which step down's 250v a.c in to 110v a.c.
2.Blast is a electronic circuit which converts 250v a.c into 110v pure d.c.This effect produces a rapid & continuous flow of electricicy.

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