Electrical Engineering > GATE 2013 SET-1 > Logic Gates
A bulb in a staircase has two switches, one switch being at the ground floor and the other one at the first floor. The bulb can be turned ON and also can be turned OFF by any one of the switches irrespective of the state of the other switch. The logic of switching of the bulb resembles
A
an AND gate
B
an OR gate
C
an XOR gate
D
an NAND gate

Correct : a

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electrical gate logic GATE Electrical Engineering 2013 AND gate logic OR gate logic XOR gate logic gate switching circuit GATE 2013 Set-1 electrical gate exam bulb switch logic

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