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When a glass rod is rubbed with silk the free electrons of glass rod are transferred to silk. But glass is a insulator and insulators do not have free electrons. So how did free electrons from glass rod get transferred to silk if glass rod doesn’t even have free electrons

Answer» When a glass rod is rubbed with silk the free electrons of glass rod are transferred to silk. But glass is a insulator and insulators do not have free electrons. So how did free electrons from glass rod get transferred to silk if glass rod doesn’t even have free electrons


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