हिंदी

The metal which becomes superconductor at 4.2 K is ______.

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प्रश्न

The metal which becomes superconductor at 4.2 K is ______.

विकल्प

  • copper

  • gold

  • mercury

MCQ
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उत्तर

The metal which becomes superconductor at 4.2 K is mercury.

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अध्याय 7: Electric Circuits, Resistance and Ohm's Law - EXERCISE-1 [पृष्ठ १५२]

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गोयल ब्रदर्स प्रकाशन A New Approach to ICSE Physics [English] Class 10
अध्याय 7 Electric Circuits, Resistance and Ohm's Law
EXERCISE-1 | Q 28. (b) | पृष्ठ १५२
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