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Which of the following is a derived unit? A.Ampere B.Kilogramme C.Second D.Ohm E.Kelvin

Question

Which of the following is a derived unit?

A. Ampere
B. Kilogramme
C. Second
D. Ohm
E. Kelvin

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Solution

The derived unit from the options provided is D. Ohm.

Here's why:

A derived unit in the International System of Units (SI) is a unit of measurement that is defined by a combination of base units.

A. Ampere is a base unit for electric current. B. Kilogramme is a base unit for mass. C. Second is a base unit for time. E. Kelvin is a base unit for temperature.

D. Ohm, however, is a derived unit. It is used to measure electrical resistance and its SI unit is kg⋅m²⋅s⁻³⋅A⁻² (kilogram meter squared per second cubed per ampere squared). This is derived from the base units mentioned above.

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