Dark current in light detectors is caused by
∙ a. Thermally generated carriers in the diode
∙ b. The absence of light input
∙ c. Small leakage current
∙ d. Its imperfection
∙ a. Thermally generated carriers in the diode
∙ b. The absence of light input
∙ c. Small leakage current
∙ d. Its imperfection