Question

Give reasins for the following a. Wool cannot be used as connecting wires in a circuit b a bulb with broken filament does not glow c the cell of a torch need to be charged after using for a few days​

Answer 1

a. Wool cannot be used for connecting wires in a circuit because it is a poor conductor of electricity and will not complete the circuit .

b. A bulb with broken filament does not glow because it is said to be fused. A fused bulb is not able to get the electric currents and glow.

Hope this helps.

Answer 2

Answer:

a. wool is an insulator ao it will not conduct electricity

b. As the bulb's filament is broken, the circuit remains open. hence the bulb doesn't glow

c. All the chemical energy of the cell is used up. Hence the cell should be charged