Units of measurement

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Second (s)
The second (SI symbol: s), sometimes abbreviated sec., is a unit of measurement of time, and is the International System of Units (SI) base unit of time. It may be measured using a clock.

The siemens (SI unit symbol: S) is the unit of electric conductance, electric susceptance and electric admittance in the International System of Units (SI).

Sievert (Sv) is a unit in the International System of Units (SI) intended to represent the stochastic health risk of ionizing radiation, which is defined as the probability of causing radiation-induced cancer and genetic damage.

The tesla (T) is the unit of magnetic flux density (also called magnetic B-field strength) in the International System of Units (SI).

The volt (symbol: V) is the SI derived unit for electric potential (voltage), electric potential difference, and electromotive force. The volt is named in honor of the Italian physicist Alessandro Volta.

The watt (symbol: W) is a derived unit of power in the International System of Units (SI), named after the Scottish engineer James Watt.

In physics, the weber (Wb) is the unit of magnetic flux in the International System of Units (SI), whose units are volt-second.


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