ye teeno bhut alag hai.
vidyut motor electric motor hai. jo electric energy ko mechanical mein convert krti hai
PRATYAVARTI DHARA is alternating current which periodically reverses it direction and changes it's magnitude continuously with time in contrast to current which flows in single direction
Aap detail mei hat topic ko padhe aur notes bnake relate karte hue yaad kre
agar koi specific doubt hai toh dubara post kariye
all the best