Q. The XY recorder records
Solution:
They are many variations of XY recorders. The emf, for operation of XY
recorders, may not necessarily measure only voltages. The measured emf may be
the output of a transducer that may measure displacement force, pressure, strain,
light intensity or any other physical quantity. Thus with the help of XY recorders
and appropriate transducers, a physical quantity may be plotted against another
physical quantity.
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