Question

e) Mention two effects of electric current? Why does a glowing LED lamp does not
become warm?​

Answer 1

Answer:

Ans below

Explanation:

The two effects of electric current are; heating effect and magnetic effect.

current flowing through the filament of the bulb heats up the filament due to Joules heating and the bulb glows. ... In case of fluorescent bulb like CFL or tube light the gas within the bulb conducts at high voltage. The conducting gas becomes hot making the bulb warm.

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