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Choose the right word given in the box:
 
voltage 
electrically neutral
 conventional current
William Gilbert
electric current
Movement of the leaves
\(1600\)
Electroscope
  higher potential
 metals
Abraham Bennet
lower potential
  
1. The flow of positive charge is considered to be .
 
2.  invented the first electroscope.
 
3. In conventional current, charges flow from higher potential to .