[a] Brightness of bulb C is highest |
[b] If C fails, brightness of bulb D increases |
[c] If C fails, brightness of all bulbs remain same |
[d] If A fails, B will not glow |
A) a, c, d
B) a, b, d
C) c, d
D) b, d
Correct Answer: A
Solution :
Potential difference across D is zero so it will not glow at all. Potential across C is maximum. \[\therefore \] It will glow maximum and if C fuses then also potential across each bulb will remain same. Brightness of each bulb will remain same.You need to login to perform this action.
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