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MDCAT
Physics
2021

Physics · Current Electricity

Work through this past-paper style MCQ, then read the full explanation. Practice more physics questions on mMCQ with adaptive practice and topic analytics.

Question

International ohm is defined in terms of the resistance of ____.

Options
  • A

    A column of mercury

  • B

    A cube of carbon

  • C

    A cube of copper

  • D

    The unit length of wire

Explanation

It is a fact that column of mercury is used to define ohm in terms of resistance.

It is a fact.

It is a fact that column of mercury is used to define ohm in terms of resistance.

It is a fact that column of mercury is used to define ohm in terms of resistance.

It is a fact that column of mercury is used to define ohm in terms of resistance.

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Tagged under Physics · Current Electricity · 2021