Question

What are the advantage of connecting electrical device in
parallel with battery instead of connecting in series​

Answer 1

Answer:

There is no division of voltage among the appliances when connected in parallel. The potential difference across each appliance is equal to the supplied voltage. The total effective resistance of the circuit can be reduced by connecting electrical appliances in parallel.

Answer 2

Explanation:

if the one bulb connection lost then other bulbs can be worked .