Three identical bulbs $B_1, B_2$ and $B_3$ are connected to the mains as shown in figure. If $B_3$ is disconnected from the circuit by opening switch $S$, then incandescence of bulb $B_1$ will
  • A
    Increase
  • B
    Decrease
  • C
    Become zero
  • D
    No change
Easy
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