Question : The wire of flashbulbs is made up of
Option 1: Magnesium
Option 2: Barium
Option 3: Copper
Option 4: Silver
Answer (1)
18th Jan, 2024
Correct Answer: Magnesium
Solution : The correct option is Magnesium.
The wire in flash bulbs is made of magnesium (Mg). When an electric current passes through the magnesium wire, it rapidly oxidizes, producing an intense burst of light. This combustion reaction is highly exothermic and provides the brief and intense illumination needed for flash photography.
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