This seems like a question from an electrical course, and is probably best answered by your course materials.
It's your test question, not ours, and there won't always be someone to ask the answer of. Earn your diploma.
An advantage for graphite is that it can be used as a dry lubricant on electrical appliances.
once you break the plug it will never work again
As a VOM (volt-ohm meter) is one type of electrical measuring instrument, it is unclear how to answer this question. It is almost as if you had asked "What are the advantages and disadvantages of the banana as compared to the edible plant part?"
Through beam balance we can weight things,vegetables,fruit etc.
it can be used to switch on/off any electrical appliances
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disadvantages advantages of osx