Semiconductor Electronics: Materials, Devices and Simple Circuits  MCQs

MCQs of Semiconductor Electronics: Materials, Devices and Simple Circuits

Showing 1 to 10 out of 151 Questions
1 2 3 4 5 6
1.
The density of electron an holes in an intrinsic semiconductor is ne and nh respectively, Which of the following options are true?
(a) nh>ne
(b) ne>nh
(c) ne=nh
(d) nh>>ne
Answer:

Option (c)

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) 100 cos(313 t + 90°)
(b) 100 cos(313 t + 180°)
(c) 100 cos(493 t )
(d) 0.5 cos(313 t + 180)
Answer:

Option (b)

Showing 1 to 10 out of 151 Questions
1 2 3 4 5 6