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Question

With the advent of semiconductors, vacuum tubes in electronics have been replaced with .

A
normal switches
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B
transistors
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C
gas tubes
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D
electric resistors
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Solution

The correct option is B transistors
With the advent of semiconductor based electonic machines, the transistor have replaced more than a thousand old, bulky, less effective, non-sophisticated electronic components including the vacuum tubes. Due to its wide scope of application it is being considered as one of the most pioneering inventions of the modern world human beings.

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