15) Filaments in the bulbs A,B and Care of the same thickness , different lengths and made up of the same material. These bulbs work in the same potential difference. a) Which bulb will be more bright when these are in same potential difference. Justify your answer. b) What changes will be observed in the brightness of the bulbs when a current is passed through a series of combination of these bulbs ? Give the reason for this observation.
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Hi, nice to meet you
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please refer the TBSECRT PHYSICS VOLUME BOOK
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