The correct sequence of energy transformation in the operation of an x-ray tube is?

i. X-rays

ii. kinetic energy of thermo electrons

iii. potential energy of the target atoms

iv. Heat energy of the emitted electrons

A. iv, iii, ii, i
B. ii, iv, iii, i
C. iv, ii, iii, i
D. iii, iv, ii, i

Correct Answer: Option A

A. iv, iii, ii, i