At what temperature $(^{0} C)$ , in the case of mercury (Hg) drops abruptly to zero?

3.2 K

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4.2 K

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5.2 K

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6.2 K

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Solution

The correct option is B 4.2 K
Mercury becomes a superconductor at $4.2 K$ and at that temperature its resistance becomes zero.

Answer-(B)

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At what temperature (0C), in the case of mercury (Hg) drops abruptly to zero?

The correct option is B 4.2 KMercury becomes a superconductor at 4.2K and at that temperature its resistance becomes zero.Answer-(B)

At what temperature $(^{0} C)$ , in the case of mercury (Hg) drops abruptly to zero?

The correct option is B 4.2 K
Mercury becomes a superconductor at $4.2 K$ and at that temperature its resistance becomes zero.

Answer-(B)