A differential pressure cell is used for
(A) Measuring small pressure difference in gases
(B) Measuring small pressure difference in liquids
(C) Remote recording of pressure difference
(D) Measuring the difference of the impact & the static pressure
(A) Measuring small pressure difference in gases
(B) Measuring small pressure difference in liquids
(C) Remote recording of pressure difference
(D) Measuring the difference of the impact & the static pressure