A potential barrier of 0.50 V exists across a P-N junction. If the depletion region is 0.5 × 10^(-7) m wide, the intensity of the electric field in this region is

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Q: A potential barrier of 0.50 V exists across a P-N junction. If the depletion region is 0.5 × 10^(-7) m wide, the intensity of the electric field in this region is

(a) 1.0 × 106 V/m

(b) 1.0 × 105 V/m

(c) 2.0 × 105 V/m

(d) 2.0 × 106 V/m

Ans: (a)

Sol: E = V/d

E = 0.5/(5 × 10-7 ) = 106 V/m

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