The fig above shows two similar bulbs X and Y connected to suitable power supply with F as an appropriate fuse rating, if the filament of X breaks then the

a
Brightness Of Y will reduce
b
Brightness Of Y will remain constant
c
Brightness Of Y will increase
d
fuse F will blow
Explanation
Correct Option
bVideo Explanation
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Ikpevictor1
4 years ago
Pls my school the answer is B
Brightness of a bulb is dependent on power(both current and voltage supplied)
The power supplied in bulb y when the switch is closed,is thesame power supplied to bulb y when the switch is opened(this happens only to bulbs of the same resistance)


