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Match List-I with List-II : List-I Applications (A) Transistors (B) Hearing aids (C) Inverters (D) Apollo space ship List-II Batteries/Cell (I) Anode - Zn/Hg ; Cathode - HgO + C (II) Hydrogen fuel cell (III) Anode - Zn; Cathode - Carbon (IV) Anode - Pb ; Cathode - Pb | PbO2 Choose the correct answer from the options given below :

1. (A)-(III), (B)-(I), (C)-(IV), (D)-(II)
2. (A)-(III), (B)-(II), (C)-(IV), (D)-(I)
3. (A)-(IV), (B)-(III), (C)-(II), (D)-(I)
4. (A)-(II), (B)-(III), (C)-(IV), (D)-(I)

Correct answer: (A)-(III), (B)-(I), (C)-(IV), (D)-(II)

Solution

The correct matches align the applications with their respective battery types: transistors typically use zinc-carbon batteries (III), hearing aids often utilize mercury batteries (I), inverters are commonly powered by lead-acid batteries (IV), and the Apollo space ship utilized hydrogen fuel cells (II) for energy.

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