Question

When dry hair is combed vigorously, a crackling sound is produced.​

Answer 1

Explanation:

Answer. When dry hair is combed static electricity is produced.It remains stored in the comb. when touches another surface the static discharge that is the sound.

good evening

Answer 2

The crackling sound, heard whilst dry hair is combed with a tough rubber comb, is due to small electric sparks.

Explanation:

• When something is plugged in, or became on, a number of that very fast, warm energy transfers from the hole into the appliance, light, pc, or whatever.
• A speedy drawn to be had electricity occurs, ensuing in a short spark. This is ordinary and no greater threatening than a mini-jolt of static energy.  
• That tingle you experience is your ache receptors telling your mind how unsightly it's far to have electrons dashing through. You would possibly even see a spark if the release of electrons is massive enough.
• The proper information is that static energy cannot significantly damage you.