Question

When we remove polyester or woollen clothes in dark, we see a spark or crackling sound due to
a. Current
b. Static electricity
c. Positive charge
d. Negative charge

Answer 1

Answer:

static electricity

Explanation:

When we wear polyester or woolen cloth for a period , charge is stored in cloth due to friction from dry skin , called static electricity . When we remove cloth , this static charge discharges in the surrounding in the form of light and sound , resulting in spark and cracking sound .

Answer 2

the answer is potion a. curret