A glass rod is rubbed with a silk cloth and an inflated rubber balloon is rubbed with a woolen cloth. Out of glass rod, inflated rubber, silk cloth and woolen cloth:; (a) Mention the name of two objects acquires a negative charge. Why?; (b) Mention the name of two objects acquires a positive charge. Why?
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When glass rod is rubbed with a silk cloth, the rod losses some electrons to silk cloth. This makes glass rod positive (due to loss of electrons) and silk cloth negative (due to gain of electrons). When inflated rubber balloon is rubbed with a woollen cloth, the rubber balloon gains some electrons from woollen cloth.
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When glass rod is rubbed with a silk cloth, the rod losses some electrons to silk cloth. This makes glass rod positive (due to loss of electrons) and silk cloth negative (due to gain of electrons). When inflated rubber balloon is rubbed with a woollen cloth, the rubber balloon gains some electrons from woollen cloth
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