Following gates section is connected in a complete suitable circuit. $\text { For which of the following…

Following gates section is connected in a complete suitable circuit. $\text { For which of the following combination, bulb will glow (ON) : }$

1. $\mathrm{A}=0, \mathrm{~B}=0, \mathrm{C}=0, \mathrm{D}=1$
2. $\mathrm{A}=0, \mathrm{~B}=1, \mathrm{C}=1, \mathrm{D}=1$
3. $\mathrm{A}=1, \mathrm{~B}=0, \mathrm{C}=0, \mathrm{D}=0$
4. $\mathrm{A}=1, \mathrm{~B}=1, \mathrm{C}=1, \mathrm{D}=0$

Solution

Bulb will glow if bulb have potential drop on it. One end of bulb must be at high (1) and other must be at low (0). Option (3) satisfy this condition

Asked in: JEE Main 2024 (05 Apr Shift 1)

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