1.

Three light bulbs of 40 W, 60 W and 100 W are connected in series with 220 V source. Which one of the bulbs will glow brightest [MP PMT 1995; UPSEAT 2002; BCECE 2005]

A.            40 W
B.            60 W
C.            100 W                                      
D.            All with the same brightness
Answer» B.            60 W


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