Question

when a glass rod is rubbed with silk clothes and brought near a pitch ball, the ball gets attracted it. (give reasons) in physics​

Answer 1

Answer:

A glass rod becomes positively charged when rubbed with silk, while the silk becomes negatively charged. (a) The glass rod is attracted to the silk because their charges are opposite.

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Explanation:

Answer 2

When a glass rod is rubbed with silk clothes and brought near a pitched ball, the ball gets attracted because:

• Charging and charge transfer occur due to induction in the material.
• On rubbing, electrons are transferred from silk cloth to glass rod and the rod becomes positively charged.
• When we bring the pitched ball near to the glass rod the side of the pitched ball which is near to the balloon generated the opposite charge i.e negative while the adjacent side induces a positive charge.
• The near end is oppositely charged to that of a glass rod hence, there will be an attraction.
• The same charge nearer causes repulsion.