The circuit shown below is made up of using identical light bulbs light bulb of maximum brightness will be
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Explanation:
Can you use switches? The brightness is related to the power dissipated by the bulb.
P = (I^2)R.
So if you have more current (less R) the bulb will be brighter.
Can you use more than 3 bulbs? You could put 2 in parallel, 3 in parallel, and 1 and the whole combination in series.
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Answer:
(a) Here A and B are connected in series so the brightness of the A and B will same while C are connected in parallel so the brightness of the bulb C is maximum.
(b) Their will be no effect on A and B.
(c) A and B are connected in series so if B burns than A also not glow but their will be no effect on C, as C is connected in parallel.
Explanation:
Let potential at P is V and that at Q is 0
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