When we discuss them with respect to the type of signal, we can say "electrical" instruments deal with 'Analog' signals mostly defined by the equations of classical physics. They certainly obey Ohm's Law. Term 'Electrical' is associated with the typical conception of Electric Field(E) which exerts electric Force(F) on a charge particle(q) and it produces electricity, Where
F=qE
But 'Electronic' instruments are made to deal with 'Digital' signals. Analog electrical signal is changed to Digital signals ( 0, 1). They are semiconductors devices which never obey Ohm's Law and implemented with logic gates.
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