A silicon PN junction diode under reverse bias has depletion region of width 10 μm. The relative permittivity of silicon, Ɛr = 11.7 and the permittivity of free space Ɛ₀ = 8.85 x 10¯¹² F/m. The depletion capacitance of the diode per square meter is

A silicon PN junction diode under reverse bias has depletion region of

1.	A silicon PN junction diode under reverse bias has depletion region of width 10 μm. The relative permittivity of silicon, Ɛr = 11.7 and the permittivity of free space Ɛ₀ = 8.85 x 10¯¹² F/m. The depletion capacitance of the diode per square meter is
A.	100 μF
B.	10 μF
C.	1 μF
D.	20 μF
Answer» C. 1 μF