Two bulbs rated 
and 
are connected in series to a 
supply. Then,
A
bulb fuses
B
bulb fuses
C
both the bulbs fuse
D
neither of the bulb fuses.
Text Solution
Verified by ExpertsThe correct answer is:
B
Resistance of a bulb 
In series, 
Current 
amp
Potential difference across 
bulb 
Potential difference across 
bulb 
Since 
can tolerate only 
and this combination applies 
, the bulb will fuse.
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