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 negative charge. (c) and the cloth both acquire negative charge. (d) becomes negatively charged while the cloth has a positive charge.

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(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 charge acquired by the glass rod is positive and charge acquired by the cloth...
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(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 chargeacquired by the glass rod is positive and chargeacquired by the cloth is negative. Therefore, the rod becomes positively charged and the cloth becomes negatively charged. read less
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