Question

Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse?

A) 25 W
B) Both
C) 100 W
D) Neither​

Answer 1

Question :

Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse?

A) 25 W
B) Both
C) 100 W
D) Neither​


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Correct Option : C) 25 W

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Explanation :

R1=V²/P¹ = 220²/25

 

R2 = V²/P2 = 220²/100

 
Hence  R1gt ; R2

Answer 2

₳nswer :

⁃ A) 25 W

₤xplanation :

➠ Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply the 25 W is powerful.