Physics-
General
Easy

Question

Three bulbs B1, B2­ and B3 are connected to the mains as shown in figure. How will the incandescence of the bulb B1 be affected, if one of the bulbs B2 or B3 is disconnected from the circuit?

  1. no change in the incandescence    
  2. bulb B subscript 1 end subscriptwill become brighter    
  3. bulb B subscript 1 end subscriptwill become less brighter    
  4. The bulb B1 may become brighter or dimmer depending upon    

The correct answer is: bulb B subscript 1 end subscriptwill become less brighter


    the bulb which is disconnected

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