Now that we know that the two glass rods become charged when rubbed with a silk cloth, it would be safe to conclude they acquire ___ charges.

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Solution

Since it is the same silk cloth rubbing two glass rods, they acquire the same kind of charges. This is further inferred from the fact that they tend to repel each other, and we know that like charges repel each other.

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Similar questions

When a glass rod is rubbed with a silk cloth, they become charged.

When a glass rod is rubbed with a piece of silk cloth, then :

(a) the glass rod and silk cloth both acquire the positive charge.

(b) the glass rod becomes positively charged while the silk cloth has a negative charge.

(d) the glass rod becomes negatively charged while the silk cloth has a positive charge.

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