Martin Copper invented

A. -

B. Mobile Phone

C. -
D. -

Occurrence: Junior Clerk Paper BS-11 (28C2025) Held on 27-09-2025 (2025)

Martin Copper invented | Mobile Phone | CSS, PMS, PPSC, FPSC, KPPSC, SPSC, ISSB and NTS Past Papers | Pakistan's Largest Online Past Papers Database

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