Flow of current. Conductors and Insulators.

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girlzrule786
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This is NOT a homework question.. It is just something that is bothering me...

1. If two neutral conductors are made to touch each other, no current will flow..
2. If a neutral conductor is made to touch with a positive conductor, the current will flow from the neutral to the positive conductor...
3. If a negatively charged conductor is made to touch with a positively charged conductor, the current will flow from the negative to the positive conductor..
4. If a neutral conductor is made to touch a positive insulator, the current will not flow...

Which of these is true?? This is really confusing me... Please help, I need it...
 
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It may not be a homework problem, but it looks an awful lot like a take-home test. What part exactly are you confused on?
 

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