Consider the following critical minerals : I. Neodymium II. Tellurium III. Dysprosium IV. Gallium Which of the above minerals are not used for the production of photovoltaic cells used in solar panels?
- A. I and IV
- B. II and III
- C. I and III ✓
- D. II and IV
Correct Answer: C. I and III
Explanation
Neodymium and Dysprosium are rare-earth elements heavily used in powerful permanent magnets (such as for wind turbines and electric vehicles), but not typically in photovoltaic cells. Tellurium and Gallium are widely used in thin-film solar panels.
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