इलेक्ट्रिक बल्ब की खोज किस – McqOptions

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1.	इलेक्ट्रिक बल्ब की खोज किसने की थी -
A.	विलियम कुक
B.	अलेक्जेंडर ग्राहम बेल
C.	टैरी एडीसन
D.	थामस एडीसन
Answer» E.

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