A $p$-type material is electrically …….

Depends on the concentration of $p$ impurities

NEET UG PHYSICS MCQ: SEMI CONDUCTOR DEVICES

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p

-type material is electrically …….

View answer and explanation

Correct option: C

Neutral

A p-type material is neutral because the number of protons in the nuclei equals the number of electrons orbiting the nuclei.

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I = A{T^2}{e^{q/{V_L}}}

{V_L}

\sqrt{n}.

n

p - n\;

{10^{17}}\mathrm{c}{\mathrm{m}^{ - 3}}

P

{10^{16}}

\mathrm{c}{\mathrm{m}^{ - 3}}

N

kT =

{n_i} = 1.4 \times {10^{10}}

\mathrm{c}{\mathrm{m}^{ - 3}}