Question

LED is superior to electric bulb in tester because *

(a) it works with only very high electric current
(b) it works with low electric current also
(c) it glows very bright in case of each solution
(d) it can give beautiful colourful light for decorative purposes

Answer 1

Answer:

Answer will be bit b. bzjz

Answer 2

'LED' glows even a small current pass through the circuit ,but the bulb doesn't glow .So we use it as a tester.

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