Following gates section is connected in a complete suitable...

Following gates section is connected in a complete suitable circuit.

\text{ For which of the following combination, bulb will glow (ON) : }

Options

A $\mathrm{A}=0, \mathrm{~B}=0, \mathrm{C}=0, \mathrm{D}=1$
B $\mathrm{A}=0, \mathrm{~B}=1, \mathrm{C}=1, \mathrm{D}=1$
C $\mathrm{A}=1, \mathrm{~B}=0, \mathrm{C}=0, \mathrm{D}=0$
D $\mathrm{A}=1, \mathrm{~B}=1, \mathrm{C}=1, \mathrm{D}=0$

Correct answer

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

Step-by-step 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 Following gates section is connected in a complete suitable circuit. For which of the following combination, bulb will

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