Which one is the derived quantity in SI Units ?

1. Electric current
2. Electric Charge
3. Plane Angle
4. Amount of substance

1 answer

In the International System of Units (SI), derived quantities are those that can be expressed in terms of the seven base quantities.

Among the options given:

  1. Electric current - This is a base quantity (measured in amperes).
  2. Electric charge - This is also a derived quantity, expressed in coulombs (which is based on the base quantity of electric current).
  3. Plane angle - This is a derived quantity but is often considered a base quantity in certain contexts (measured in radians).
  4. Amount of substance - This is a base quantity (measured in moles).

So, the correct answer for which one is a derived quantity in SI units is Electric charge.

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