Explain why is it referred to as a minority carrier equation

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∂Δnp/∂t = DN∂2Δnp/∂x^2 -Δnp/τn + GL is known as the minority carrier diffusionequation for electrons.
(a) Why is it called a diffusion equation?
(b) Why is it referred to as a minority carrier equation?
(c) The equation is valid only under low-level injectionconditions. Why?

Reference no: EM13283532

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