Question

4
In which of the circuits A, B and C will the bulb not light up?
Explain your answer.
A
HHH
B
C​

Answer 1

Answer:

the answer is

They are applied to predict whether or not a light bulb in a circuit diagram would be lit In attempt A, the wire does not loop back to the negative terminal of the cell. In attempt C there is no complete loop at all.

Answer 2

Answer:

(b) In an electric bulb, its thin filament glows and gives off light and heat. Solution: (c) Since, a plastic clip is an insulator, so current will not pass through it and bulb will not glow in this case. However, a steel spoon, a metal clip and a copper wire are conductors of electricity.