Question

Q8.Bulb glows only in
(a) closed circuit
(b) open circuit
(c) in both circuits
(d) open circuit if bulb is not fused​

Answer 1

Answer:

.

Explanation:

The bulb glows only when current flows through the circuit. An electric bulb may fuse due to many reasons. One reason for a bulb to fuse is a break in its filament. A break in the filament of an electric bulb means a break in the path of the current between the terminals of the electric cell

Answer 2

Answer:

closed circuit because if the circuit is open ( switch off) the bulb cannot glow