децибел

децибел

Unit of sound level, if P1 & P2 are two amounts of power, the first is said to be n decibels greater, where n = 10 log10 (P1/P2)

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Ngành nghề/Lĩnh vực: Physics
Category: General physics
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децибел (dB)

Aerospace; Satellites

The standard unit used to express the ratio of two power levels. It is used in communications to express either a gain or loss in power between the input and output devices.

капацитет

Physics; General physics

The ratio of charge stored per increase in potential difference.

кондензатор

Physics; General physics

Electrical device used to store charge and energy in the electrical field.

тачка кондензације

Physics; General physics

The temperature at which a gas or vapor changes back to liquid.

импулс

Physics; General physics

The product of force and time for which force acts, also equal to the change in momentum.

апсолутна влажност

Physics; General physics

Water vapor in the air, the weight of water vapor in the volume of the air.

ампер

Physics; General physics

S.I. Unit of electric current, one ampere is the flow of one coulomb of charge per second.

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