Three identical bulbs B1, B2 & B3 are connected in parallel across terminals of an ideal source of emf. What will happen if bulb B2 burns out ?
(1) Bulb B1 & B3 will also burn out
(2) Bulb B1 and B3 will give less
(3) Bulb B1 & B2 will give more light
(4) Bulb B1 & B1 will give same light
