Test: Basic Electronics - 2 - Electrical Engineering (EE) MCQ

1, 2, 3 and 4 are correct

1 and 2 are correct

2 and 4 are correct

 3 and 4 are correct

resistor

constant current source

constant voltage source

negative resistance

hyperbola

straight line

parabola

none of the above

size of depletion region

channel resistance

gate reverse bias

voltage drop across channel

having low input impedance

having high output impedance

being noisy

having small gain bandwidth product

1 and 2

2  and 3

3 and 4

1 and 4

large current gain and high input resistance

large voltage gain and low output resistance

small voltage gain and low input resistance

small current gain and high output resistance

impedance matching

wideband voltage amplification

power amplification

reducing distortion

CE

CB

CC

Cascode amplifier

Ab = 1

|Ab| > 1

|Ab| < 1

ÐAb=180º

negative

Positive

Both negative and positive

none of the above

very low cost

extremely high reliability

extremely small size

very small weight

diffusion

masking

isolation

metalization

To protect the surface of the chip from external contaminants and to allow for selective formation of the n and p regions by diffusion.

Because if facilitates the penetration of the desired impurity by diffusion

To control the concentration of the diffused impurities.

Because of its high heat conduction

voltage controlled current source

voltage controlled voltage source.

current controlled current source

current controlled voltage source.

R_i = ¥ , A = ¥ , R₀ = 0

R_i = 0, A = ¥ , R₀ = 0

R_i = ¥ , A = ¥ , R₀ = _¥

R_i = 0, A = ¥ , R₀ = _¥

10^–7

10^–3

10³

10⁷

Internal RC circuits

Gain roll off the internal transistor

External RC circuits.

Negative feedback

+ 3V

– 3V

– 7V

+ 7V

two stage transistorised overdriven amplifier

two stage diode detector circuit

voltage comparator based on op-amp

regenerative voltage comparator circuit

hang-up in one state

go to zero

change erratically between two states.

produce the amplified noise signal

differentiator

integratorc

summing amplifier

comparator

 Alternately

 Opposite to each other

 Back-to-back

 All of the above

vacuum diode

zener diode

transistor

FETv