Objective Question Papers
Semiconductor Electronics: Materials, Devices and Simple Circuits
Que 1: Bonds in a semiconductor :
Que 2:Number of electrons in the valence shell of a semiconductor is:
Que 3:Semiconductors of both p-type and n-type are produced by
Que 4:With fall of temperature, the forbidden energy gap of a semiconductor
Que 5: In a p-type semiconductor, current conduction is by:
Que 6:The relation between number of free electrons (n) in a semiconductor and temperature (T) is given by:
Que 7:In reverse biasing:
Que 8:Main function of a transistor is to
Que 9:To obtain p-type silicon semiconductor, we need to dope pure silicon with
Que 10:On applying reverse bias to a junction diode, it
Que 11:For germanium crystal, the forbidden energy gap in joules
Que 12:To obtain electrons as majority charge carriers in a semiconductors the impurity mixed is
Que 13:In the middle of the depletion layer of a reverse biased p-n junction, the
Que 14:In a common base amplifier the phase difference between the input signal voltage and output voltage is :
Que 15:Energy bands in solids are a consequence of:
Que 16:In semi conductor which are responsible for conduction:
Que 17:In binary system III represents:
Que 18: On heating, resistance of semiconductors
Que 19:p-n junction diode can be used as:
Que 20:In intrinsic semiconductor at room temperature, the number of electrons and holes are:
