You bring a negatively charged rubber rod close to a grounded conductor without touching it. Then you disconnect the ground. What is the sign of the charge on the conductor after you remove the charged rod?
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"Electroscope ends up oppositely charged to the object used to charge it."
options are, negative, positive, no charge, and cannot be determined from given information
cannot be determined from given information because we don't know initial state of conducter
i got a question added to it cause i got one wrong...u care to do another if i make the post?
sure, why not
This is classic example of induction. To see others in action, watch this beginning around minute 7:
This animation is good too
@sonofa: following up from the conversation on your other question, the answer here is the change in charge on the conductor is positive. It has to be, because the charge induced in the conductor is positive, as per the original diagram imran drew.