When a glass rod is rubbed with a piece of silk cloth the rod
(a) and the cloth both acquire positive charge.
(b) becomes positively charged while the cloth has a
(c) and the cloth both acquire negative charge.
(d) becomes negatively charged while the cloth has a
(b) The rod becomes positively charged, while
the cloth has a negative charge.
When an object is charged by rubbing it against another
object, the two objects get oppositely charged. By convention, it
is considered that the charged acquired by the glass rod is
positive and charged acquired by the cloth is negative.
Therefore, the rod becomes positively charged and the cloth
becomes negatively charged.
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