Subject Category > General Knowledge

Q. Two electric bulbs marked 25W220V and 100W220V are connected in series to a 440Vsupply. Which of the bulbs will fuse?

A) Both

B) 25 W

C) Neither

D) 100 W

25 W

Additional Information > Exam point of View

The 25W, 220V bulb will fuse as the total voltage exceeds its rated capacity when connected in series with the 100W bulb.

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