and 
are the three identical bulbs connected to a battery of steady e.m.f. with key K closed. What happens to the brightness of the bulbs 
and 
when the key is opened?
A
Brightness of the bulbs 
increases and that of 
decreases.
increases and that of decreases.
B
Brightness of the bulbs 
and 
increases.
and increases.
C
Brightness of the bulb, 
decreases and that of 
increases.
decreases and that of increases.
D
Brightness of the bulbs 
and 
decreases
and decreases
Text Solution
Verified by ExpertsThe correct answer is:
C
Brightness of the bulb 
decreases and that of 
increases.
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