When light bulbs A and B are connected in series to a battery, A glows brightly and B glows dimly. You remove bulb B so that the circuit is just the battery and bulb A and connect bulb B to an identical battery.With the two bulbs connected to identical batteries but in separate circuits, do they glow equally brightly now? a. Bulb A glows brighter b. The two bulbs glow equally brighty. c. Bulb B glows brighter.

Two light bulbs A and B are connected in series to a battery then the current will be same in both bulbs and the resistance is high of bulb A and low in bulb B.

If bulb A connect to a battery and bulb B connect to a same battery separately.

Then bulb B glows brighter because the resistance is high in bulb A so the current will be low.

The resistance is low in bulb B so the current will be high.

Hence, The bulb B glows brighter.

onyebuchinnaji onyebuchinnaji · Answer 2 · 2021-11-23T15:50:57+01:00

The two bulbs connected to identical batteries but in separate circuits Bulb B glows brighter.

When the two light bulbs are connected to the same battery in the same circuit, there is dissipation of energy for the time the bulbs are glowing.

Removing the bulb B and connecting it to separate battery that has not be used before, gives the bulb B maximum current which will make it glow brighter than bulb A in the former circuit due to some loss of energy when the two are connected in the same circuit.

Thus, we can conclude that with the two bulbs connected to identical batteries but in separate circuits Bulb B glows brighter.

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