Science, asked by chandrashekharkumar2, 1 year ago

what is a vacuum tube

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Answered by GôldGrâće

3

a sealed glass tube containing a near-vacuum which allows the free passage of electric current.

Answered by 123456789049

2

a sealed glass tube containing a near-vacuum which allows the free passage of electric current.

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123456789049: plz Mark me as brainliest

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