Science, asked by renu3424, 4 months ago

In some testers , LED are used in place of bulb . Give reason ?

Answers

Answered by Swezzer

LED (Light Emitting Diodes) can be used in place of the electric bulb in the tester, LED glows even when a weak electric current flows through it. s electric current produces magnetic current, a tester can be prepared by using a compass needle.

Answered by rithumartin07

Answer:

Explanation:

hope this helps

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