Question

During the collection of e-h pairs, holes are collected by _________

(a) Front contact

(b) Back contact

(c) Si-wafer

(d) Finger electrodes

The question was posed to me in an interview.

My doubt is from Solar Cell in section Semiconductors of Engineering Physics II

Answer 1

Correct answer is (b) Back contact

To elaborate: As the electron-hole pairs move, the electrons are collected by the front contact and the holes reaching p-side are collected by the back contact.