## How do you calculate RMS?

RMS Voltage Equation Then the RMS voltage (VRMS) of a sinusoidal waveform is determined by multiplying the peak voltage value by 0.7071, which is the same as one divided by the square root of two ( 1/√2 ).

## Does pressure affect root mean square velocity?

The root mean square velocity of gas molecules is not a function of pressure, its only a function of the gas’ temperature and molecular mass. But, increase in pressure, increases collisions between molecules. High collisions between molecules disrupt the path of molecule, hence decreases the value of velocity.

km/s

## How many RMS is 1000 watts?

In fact, most amplifiers labeled as 1000 watts PMPO have a true RMS output of 10 watts or less. One that I measured put out 7.5 watts per channel.

## What is rms value in physics?

The root mean square (abbreviated RMS or rms ) is a statistical measure of the magnitude of a varying quantity. We use the root mean square to express the average current or voltage in an AC system. The RMS current and voltage (for sinusoidal systems) are the peak current and voltage over the square root of two.

## Why root mean square velocity is used?

The root mean square velocity is the square root of the average of the square of the velocity. The reason we use the rms velocity instead of the average is that for a typical gas sample the net velocity is zero since the particles are moving in all directions.

## What is the most probable velocity?

Most probable velocity is the velocity possessed by maximum fraction of molecules at the same temperature.

## What is r in PV nRT?

In the equation PV=nRT, the term “R” stands for the universal gas constant. The universal gas constant is a constant of proportionality that relates the energy of a sample of gas to the temperature and molarity of the gas.

## What is the relative mean speed of n2 and h2 molecules in a gas at 25?

1.83km S

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300-watts

## What hits harder 2ohm or 4ohm?

A subwoofer with a lower electrical resistance produces a louder sound than one with a high electrical resistance, which means that 2ohm subwoofers are louder than 4ohm ones. Although louder, 2 ohm subwoofers are also more likely to produce a poorer quality of sound due to its’ power consumption.

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