Q. Which one of the following gain equations is correct for a MOSFET common-source amplifier?

(gm is mutual conductance, and RD is load resistance at the drain)

View solution

Q. If 1 kVA transformer is used for all of the following rectifiers, the d.c. power availability will be least in case of

View solution

Q. In which of the following does a negative resistance region exist in the v-i characteristics?

View solution

Q. The intrinsic resistivity of silicon at 300 K is about

View solution

Q. What happens when forward bias is applied to a junction diode?

View solution

Q. A differential amplifier is invariably used in the I/P stage of all OP-amps. This is done basically to produce the OP-amp with a very high.

View solution

Q. The addition of impurity in extrinsic semiconductor is about 1 part in 10⁸ parts.

View solution

Q. It is required to trace the output characteristics of a CE bipolar transistor on a CRO screen. The proper method is

View solution

Q. Atomic number of germanium is

View solution

Q. The resistivity of ferrites is

View solution

Q. A JFET

View solution

Q. In monostable multivibrator

View solution

Q. Which of the following is the ferric electric material?

View solution

Q. The amount of time between the creation and disappearance of a hole in an intrinsic semiconductor material is called

View solution

Q. In which n type device does p substrate extend upto silicon dioxide layer?

View solution

Q. In a N-type semi-conductor, the concentration of minority carriers is mainly depends on

View solution

Q. Resistivity of metals is expressed in terms of

View solution

Q. Zener diode is invariably used with

View solution

Q. The relation between plate current and plate voltage of a vacuum diode is called

View solution

Q. Given that the band gap of cadmium sulphide is 2.5 eV, the maximum photon wavelength, for e¯-hole pair generation will be

View solution