Question

In a parallel circuit, like in Diagram 2, how is the brightness of the first bulb affected
when the second bulb is connected? Explain why this happens?

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Answer 1

Answer:

because both the lamps are joint in series.

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Answer 2

$\huge\mathfrak\red{Answer}$

Becoz both the lamps are connected in series. Bulbs in parallel are brighter than bulbs in series. In a parallel circuit the voltage for each bulb is the same as the voltage in the circuit. Unscrewing one bulb has no effect on the other bulb.