A potential barrier of \( 0.50 \mathrm{~V} \) exists across a \( P-N \) junction. If the depleti....

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A potential barrier of \( 0.50 \mathrm{~V} \) exists across a \( P-N \)
\( \mathrm{P} \)
junction. If the depletion region is \( 5.0 \times 10^{-7} \mathrm{~m} \) wide, the intensity of the electric field in this region is
(1) \( 1.0 \times 10^{6} \mathrm{~V} / \mathrm{m} \)
(2) \( 1.0 \times 10^{5} \mathrm{~V} / \mathrm{m} \)
(3) \( 2.0 \times 10^{5} \mathrm{~V} / \mathrm{m} \)
(4) \( 2.0 \times 10^{6} \mathrm{~V} / \mathrm{m} \)


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