Physics, asked by Nag0eor9genmaanshill, 1 year ago

why is led used in place of a bulb in a tester

Answers

Answered by abhi178
21
tester mean that gadget which used in present of electeic current so I think bulb used only one nig reason is significant of light (electric current)
Answered by sanu29
7
because led more cheap and safe
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