Question

what is ballast.......​

Answer 1

Answer:

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An electrical ballast is a device placed in series with a load to limit the amount of current in an electrical circuit. ✌

Answer 2

Answer:

1)This is heavy material, such as gravel, sand, or iron, placed in the bilge of a ship to ensure its stability.

2) gravel or coarse stone used to form the bed of a railway track or the substratum of a road

EXAMPLE..

1.the hull had insufficient ballast"

2."the track was laid with rails and ballasted with earth"