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Q: Three bulbs A, B and C rated 40 W, 60 W and 100 W respectively, are connected in parallel to a voltage source of 220 V. The bulb that glows with maximum brightness is:
  • A. all bulbs with glow with equal brightness
  • B. bulb C
  • C. bulb A
  • D. bulb B
Correct Answer: Option B - Three bulbs A, B, C rated 40W, 60W and 100W are connected in parallel to a voltage of source 220W. Bulb C (rated 100w) glows with maximum brightness.
B. Three bulbs A, B, C rated 40W, 60W and 100W are connected in parallel to a voltage of source 220W. Bulb C (rated 100w) glows with maximum brightness.

Explanations:

Three bulbs A, B, C rated 40W, 60W and 100W are connected in parallel to a voltage of source 220W. Bulb C (rated 100w) glows with maximum brightness.