A silicon PN junction diode under revers bias has depletion width of 1 – McqOptions

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1.	A silicon PN junction diode under revers bias has depletion width of 10¬¨¬®¬¨¬µm, relative permittivity is 11.7 and permittivity, ‚âà√≠¬¨¬µ0 =8.85‚Äö√†√∂‚àö‚â•10^-12F/m. Then depletion capacitance /m² =?$
A.	0.1¬¨¬®¬¨¬µF/m<sup>2</sup>
B.	1.7¬¨¬®¬¨¬µF/m<sup>2</sup>
C.	10¬¨¬®¬¨¬µF/m<sup>2</sup>
D.	0.5¬¨¬®¬¨¬µF/m<sup>2</sup>
Answer» D. 0.5¬¨¬®¬¨¬µF/m<sup>2</sup>

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