Still, the abbreviation ac to designate an electrical quantity
displaying simple harmonic time dependance has become so universally accepted
that we follow others in its use Further, voltage – another phrase commonly
used means potential difference between two points Rationalised 2023-24
Physics
178
NICOLA TESLA (1856 – 1943)
Nicola Tesla  (1856 –
1943) Serbian-American
scientist, inventor and
genius He conceived the
idea 
of 
the 
rotating
magnetic field, which is the
basis of practically all
alternating 
current
machinery, and which
helped usher in the age of
electric power