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Byju's Answer
Standard XII
Physics
Zener Diode
All bulbs in ...
Question
All bulbs in the circuit shown in the figure are identical. Which bulb has maximum brightness .
A
B
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B
A
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C
D
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D
C
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Solution
The correct option is
B
A
We know that a bulb with greater power will glow more.
Power,
P
=
I
2
R
P
∝
I
2
as bulbs are identical.
From the above circuit diagram, we can see that, bulb
A
get more current than bulbs
B,C
and
D
.
Therefore, bulb
A
will glow with maximum brightness .
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Zener Diode
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