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Which type of relay contains a glass tube which contains an inert gas which is used to protect the contacts from corrosion?

Which type of relay contains a glass tube which contains an inert gas which is used to protect the contacts from corrosion? Correct Answer Reed relay

Reed relays contain a glass tube which contains an inert gas which is used to protect the contacts from corrosion. These contacts move on the principle of magnetic effect of electric current. These contacts act as electromagnets which helps them to perform switching operation.

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