Does induction lose electrons or gain them?

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cuongbui1702
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Printed multiple-choice physics question 23 about charging an electroscope by induction with a positively charged glass rod, options A to E on electron and proton gain or loss, answer A.

I have a confusing, i think it lose electron instead of gaining electron. Help me, please
 
cuongbui1702 said:
[ IMG]http://i870.photobucket.com/albums/ab266/tatbocmui/23-C21_zpsa81a762b.png[/PLAIN]

I have a confusing, i think it lose electron instead of gaining electron. Help me, please

What is your understanding of what "charging by induction" means?
 
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  • Multiple-choice physics question 23: An electroscope is charged by induction using a glass rod made positive by rubbing with silk. Options A to E: gain electrons, gain protons, lose electrons, lose protons, gain an equal number of protons and electrons. Answer given: A.
    23-C21_zpsa81a762b.png
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