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Q. |
The wire of flash bulbs is made up of – |
A. | Mg |
B. | Ba |
C. | Cu |
D. | Ag |
Answer» A. Mg | |
Explanation: The wire of flash bulbs is made up of magnesium. Magnesium filaments are contained in bulbs filled with oxygen gas, and electrically ignited by a contact in the camera shutter. |
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