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The pressure difference head can then be expressed as. Gcse physics using liquid in a u tube to measure pressure difference duration. The oldest type is the liquid column a vertical tube filled with mercury manometer invented by evangelista torricelli in 1643. U tube manometer . A few conditions w…

We use the same data as in the example above except that the u tube is inclined 45 o. Right a bourdon tube gauge in which a coiled tube flattened into the cross section shown and attached to a fixed block is open to a pressurized fluid. Using Manometers For Measuring Pressure Example differenti…