In a room, there are 12 bulbs of the same wattage, each having a separate switch. The number of ways to light the room with different amount of illumination is

In a room, there are 12 bulbs of the same wattage, each having a separ

1.	In a room, there are 12 bulbs of the same wattage, each having a separate switch. The number of ways to light the room with different amount of illumination is
A.	\[{{12}^{2}}-1\]
B.	\[{{2}^{12}}\]
C.	\[{{2}^{12}}-1\]
D.	\[{{12}^{2}}\]
Answer» D. \[{{12}^{2}}\]

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In a room, there are 12 bulbs of the same wattage, each having a separate switch. The number of ways to light the room with different amount of illumination is

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