A disk of radius Rcarries a uniform surface charge density of Its electric potential at point P on the central axis of the disk, at 23 - distance x from the center of the ring is given by 2.7k, o v R*...

Extracted text: A disk of radius Rcarries a uniform surface charge density of Its electric potential at point P on the central axis of the disk, at 23 - distance x from the center of the ring is given by 2.7k, o v R* +x° -x}), What is the electric potential when ►R? Hint: '1+u=1+% for u«1 X X> O A) rk.c O B) zk.o O D) 2.7k, o 4 rk o-