Q: What is the symbol for the base quantity of time?

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The quantity symbol for reactance is X.

The quantity symbol for electric flux density is D.

The symbol for velocity is "v." It is a vector quantity that represents the rate of change of an object's position with respect to time.

The symbol for an average speed is a bold v with a line over the top of it. This is the quantity of change in position over change in time.

The quantity symbol for resistivity is the Greek letter rho (ρ).

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The quantity symbol for reactance is X.

The quantity symbol for electric flux density is D.

The symbol for velocity is "v." It is a vector quantity that represents the rate of change of an object's position with respect to time.

The symbol for an average speed is a bold v with a line over the top of it. This is the quantity of change in position over change in time.

The quantity symbol for resistivity is the Greek letter rho (ρ).

The derived quantity is a quantity which has been derived from 2 or more base quantities. Example: Velocity is the rate of change of distance and is written in terms of distance divided by time which are two base quantities.

all physical quantity is called base quantity

x

Current is considered a base quantity because it is a fundamental physical quantity that cannot be defined in terms of other physical quantities. It describes the rate of flow of electric charge in a circuit and is measured in units of amperes (A). Charge, on the other hand, is a derived quantity that depends on current and time, making current the more fundamental quantity.

The symbol of the quantity resistance is an italicised upper-case 'R'.

It is called a base quantity.However, the distinction between a base quantity and a derived quantity is often not clear. For example, the second and metre are meant to be the base units for time and length. But the metre itself is defined in terms of the distance travelled by light, through vacuum, in 1/299,792,458 of a second. Consequently, a metre itself can be considered a derived unit.

A variable