Basic Electronics-2 – All India Job Alerts

Created on December 02, 2020 By

wefru

Basic Electronics 2

TEST YOUR KNOWLEDGE OF SCIENCE

1 / 10

The depletion mode of MOSFET resemble semantically in the behaviour of JFET due to copious increase in ______.

negative gate voltage by reducing its conductivity level

negative gate voltage by enhancing its conductivity level

negative source voltage by reducing its conductivity level

negative source voltage by enhancing its conductivity level

2 / 10

Which property of MOSFET distinguishes it from JFET regarding to voltage application in addition to operational strategies and mechanisms?

Provision of applying positive and negative voltages to gate being insulated from channel

Provision of applying only positive voltage to gate to E-MOSFET

Provision of applying only negative voltage to gate to DE-MOSFET

All of the above

3 / 10

The enhancement type basically termed as normally-OFF MOSFET works only with _______.

large positive gate voltage

large negative gate voltage

large positive drain voltage

large negative drain voltage

4 / 10

Which MOSFET allows the flow of drain current even with zero gate to source voltage just due to existence of channel between drain and source terminals?

Depletion MOSFET

Enhancement MOSFET

Depletion-Enhancement MOSFET

All of the above

5 / 10

Where is the current source connected in JFET common gate amplifier circuit configuration in the midst of input and output terminals so as to generate the gain of g_mV_gs?

between source and drain terminals

between gate and drain terminals

between source and gate terminals

between source, gate and drain terminals

6 / 10

The voltage gain of common drain JFET amplifier equals to unity only when ______.

gmrdRL >> (rd + RL)

gmrdRL << (rd + RL)

gmrdRL is exactly equal to (rd + RL)

gmrdRL ≠ (rd + RL)

7 / 10

Which type of JFET amplifier circuit is also known as 'Source Follower' according to configurational strategic point of view?

Common Source amplifier

Common Drain amplifier

Common Gate amplifier

None of the above

8 / 10

What is the voltage gain of below drawn JFET CS amplifier circuit whose transconductance and drain to source resistance values are 2000 μS & 200 k Ω respectively?

-56.56 V

56.56 V

-36.36 V

36.36 V

9 / 10

The tremendous increase in the value of input capacitance usually considered as noxious for high-frequency operations of common source JFET amplifier, is an ultimate outcome of _______.

Aliasing Effect

Carson's Effect

Miller's Effect

Barkheussan's Effect

10 / 10

Which phenomenon occurs between the input signal at the gate and output signal at the drain in the operational mode of common source JFET amplifier?

Phase Inversion

Frequency Inversion

Amplitude Inversion

Pulse-angle Inversion

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