In the given figure. 
are three identical bulbs. When the switch 
is closed
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a)
The brightness of bulb 
does not change and that of 
decreases
b)
The brightness of bulb 
increases and that of 
decreases
c)
The brightness of 
increases bulb 
does not glow
d)
The brightness of both bulbs 
decrease
are three identical bulbs. When the switch is closeda)
The brightness of bulb does not change and that of decreases
b)
The brightness of bulb increases and that of decreases
c)
The brightness of increases bulb does not glow
d)
The brightness of both bulbs decrease
Question ID - 150984 | SaraNextGen Top Answer In the given figure. are three identical bulbs. When the switch is closed
a)
The brightness of bulb does not change and that of decreases
b)
The brightness of bulb increases and that of decreases
c)
The brightness of increases bulb does not glow
d)
The brightness of both bulbs decrease
In the given figure. are three identical bulbs. When the switch is closed
|
a) |
The brightness of bulb |
|
b) |
The brightness of bulb |
|
c) |
The brightness of |
|
d) |
The brightness of both bulbs |
|
(b) When switch |
is pressed, the resistance of circuit decreases. Hence, the current in bulb A will increase but the current in bulb 
will decrease. Hence, the brightness of bulb 
will increase and that of bulb 
will decrease.