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JEE MAIN Physics QUESTION #982
Question 1
To obtain the given truth table (\(A=0,B=0\to Y=1\); \(A=0,B=1\to Y=1\); \(A=1,B=0\to Y=0\); \(A=1,B=1\to Y=1\)), the logic gate placed at G is:
  • OR Gate
  • AND Gate✔️
  • NOR Gate
  • NAND Gate
Correct Answer Explanation
The circuit has two OR gates feeding into G. Checking the truth table: output is 0 only when \(A=1, B=0\). This matches an AND gate at G, as the preceding OR gates produce inputs (1,0) for that row, and \(1 \cdot 0 = 0\).