It is not necessary for the groups to be identical, provided they are all adapted to take the same current in amperes, which should be kept constant, and provided the lamps of each set agree in voltage.
Now let the stress be increased to S + dS while the extension is kept constant, and the absolute temperature raised from T to T + dT.
Each scale has its own independent definition, thus if the pressure of the gas be kept constant, and the volume at temperature 0° C.
The volume of the enclosed gas is kept constant by raising the mercury level in the outside arm of the manometer, and the total pressure of the enclosed gas is measured when equilibrium is reached.
That is, the pressure of a gas varies directly as its absolute temperature, if the volume is kept constant.
When the volume is kept constant, the effect of the addition of heat to a system at the triple point S-L-V differs somewhat according as there is an increase or diminution of volume when the solid passes into the liquid state.
Care must be taken that the alternator is run at its rated speed, and this speed must be kept constant.
The voltage of the battery must be at least as great as the maximum pressure to be measured and must be kept constant.
He was armed, and he kept constant guard, without minding the cold, the snow, or the ice, which stiffened his clothing as if it covered it with a granite cuirass.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "kept constant" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
