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Figure below shows a bulb connected across a 6v supply through a resistance wire XY of length 25m Compare and explain the brightness of the bulb...

      

Figure below shows a bulb connected across a 6v supply through a resistance wire XY of length 25m
fig43102019844.png
Compare and explain the brightness of the bulb if the wire was replaced by one of same material and same diameter but 50cm long.

  

Answers


Kavungya
- Brightness decreases
- Resistance in the wire xy increases due to increase in the length xy.
Kavungya answered the question on October 3, 2019 at 05:45


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