Sunday, 25 December 2016

learning - Why does such circuit not work?


Assume I have a lamp and I connect one side to the + pole of one battery, and then the other side to the - pole of another battery (say two batteies of 1.5V). The remaining - and + poles are not connected.


So there is a potential difference between across the lamp, but it does not turn on, why ? It seems to contradict the basic law of electricity.


Note : I am a newbie in electronics/electricty.




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