contestada

Which bulbs would be on and or off if :

Bulb A was unscrewed
Bulb D was unscrewed
Bulb E was unscrewed

Which bulbs would be on and or off if Bulb A was unscrewedBulb D was unscrewedBulb E was unscrewed class=

Respuesta :

bulbs c and b would still be screwed in if they were in to begin with and bulbs A, D, and E. would be unscrewed
AL2006
-- If Bulb-A is removed or burns out . . .
ON:  B,  D,  E
OFF:  A,  C

-- If Bulb-D is removed or burns out . . .
ON:  A,  C,  E
OFF:  B,  D 

-- If Bulb-E is removed or burns out . . .
ON:  none 
OFF:  all