Question

what happens if one bulb breaks in a series combination

Answer 1

If the light bulbs are connected in parallel, the current flowing through the light bulbs combine to form the current flowing in the battery, while the voltage drop is 6.0 V across each bulb and they all glow. ... One bulb burning out in a series circuit breaks the circuit.

Answer 2

The circuit would stop working if a bulb breaks in a series