Question

Solar cells are made from bulk materials that are cut into wafer of _________ thickness.

(a) 120-180μm

(b) 120-220μm

(c) 180-220μm

(d) 180-240μm

This question was posed to me in an interview.

Question is taken from Photovoltaic Cell and Solar Cell Applications in section Non Conventional Energy Sources and Storage Devices of Applied Chemistry

Answer 1

Right choice is (d) 180-240μm

To explain: Solar cells are made from the bulk materials that are cut into wafers of thickness 180-240μm. Many currently available cells are cut into wafers.