question_answer 55)

  In an electrical circuit three incandescent bulbs. A, B and C of rating40W, 60 W and 100 W, respectively are connected in parallel to an electric source. Which of the following is likely to happen regarding their brightness? (a) Brightness of all the bulbs will be the same   (b) Brightness of bulb A will be the maximum (c) Brightness of bulb B will be more than that of A (d) Brightness of bulb C will be less than that of 6

Answer:

                  (c) In an electrical circuit, three incandescent bulbs A, B and C o:f rating 40 W, 60 W and100 W are connected in parallel to an electric source, then the bulb with the highest wattage glows with maximum brightness. Power dissipated of Brightness. Thus, the brightness of bulb B (100 W) is maximum. This brightness different bulks are in following order