### MCQs of Semiconductor Electronics: Materials, Devices and Simple Circuits

Showing 1 to 10 out of 151 Questions
1.
The density of electron an holes in an intrinsic semiconductor is ne and nh respectively, Which of the following options are true?
 (a) ${\mathrm{n}}_{\mathrm{h}}>{\mathrm{n}}_{\mathrm{e}}$ (b) ${\mathrm{n}}_{\mathrm{e}}>{\mathrm{n}}_{\mathrm{h}}$ (c) ${\mathrm{n}}_{\mathrm{e}}={\mathrm{n}}_{\mathrm{h}}$ (d) ${\mathrm{n}}_{\mathrm{h}}>>{\mathrm{n}}_{\mathrm{e}}$
2.
The amplifier has voltage gain equal to 200 and its input signal is 0.5 cos(313 t) V. The output signal will be equal to _____ volt.
 (a) (b) (c) (d)
Showing 1 to 10 out of 151 Questions