Question

2. Why do we hear a crackling noise while removing a nylon shirt or stockings in the winter?
3. Dawa connects a circuit using cells of 1.5 volts each in a series as shown in the figure.
Calculate the resistance in the circuit. Is it wise to use this circuit? Why?
A
0.7 ampere​

Answer 1

$\huge\mathfrak\orange{Answer}$

2) Woollen or synthetic sweaters develop static charges (electrons) on them due to friction. While taking off our sweater, these charges move in streams between the sweater and our body, i.e. electric discharge takes place. This results in crackling sound and miniature sparks of lightning.

3) The resistance in series is calculated through adding the cells.

So,

1.5 + 1.5 = 3.0V

Vac of the method R+R

It is not wise to use this circuit because is does not store the current for long it is wise to use parallel but series

Explanation :

This is because in parallel it it stores current for long