Question is ⇒ If the gate of JFET is reverse biased, the width of depletion region, Options are ⇒ (A) becomes zero, (B) is uniform, (C) is more near the source, (D) is more near the drain, (E) , Leave your comments or Download question paper.

Question is ⇒ If the gate of JFET is reverse biased, the width of depletion region, Options are ⇒ (A) becomes zero, (B) is uniform, (C) is more near the source, (D) is more near the drain, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	If the gate of JFET is reverse biased, the width of depletion region
A.	becomes zero [Wrong Answer]
B.	is uniform [Wrong Answer]
C.	is more near the source [Wrong Answer]
D.	is more near the drain [Correct Answer]
View Answer 2 -1 Explanation:- Answer : D Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ The number of FF required for a divide by 12 circuit is
16
12
8
4

⇒ The poles of an RC function
are simple and lie on jω axis
are simple and lie on negative real axis
may be complex conjugate
may be anywhere in s plane

⇒ A 3 bit binary adder can add
2 bits
2 bits
3 bits
8 bits

⇒ The addition of a zero to the open loop transfer function
pulls the root locus to the left and makes the system more stable
pulls the root locus to the right and makes the system less stable
either (a) or (b)
neither (a) nor (b)

⇒ What was the first commercial geostationary communication satellite?
INTELSAT 1
ECHO
INSAT-1A
SPUTNIK

⇒ In sinusoidal PWM for inverters the width of different pulses are not the same.
TRUE
FALSE

⇒ The JFET in the circuit shown in figure has an I_DSS = 10 mA and V_p = -5V. The value of the resistance R_s for a drain current I_DS = 6.4 m
156 Ω
470 Ω
560 Ω
1 kΩ

⇒ Assuming that flip-flops are in reset condition initially, the count sequence observed at Q_A in the circuit show
0010111...
0001011...
0101111...
0110100...

⇒ Consider the following statements

The amplitude of an FM wave is constant
FM is more immune to noise than AM
FM broadcasts operate in upper VHF and UHF frequency ranges
FM transmitting and receiving equipments are simpler as compared to AM transmitting and receiving equipments

Which of the above are correct?
1, 2, 3, 4
1, 2, 3
2, 3, 4
1, 3, 4

⇒ Consider the following statements

Fading of signals is generally greatest near radio horizon.
Fading of signals is generally greatest in shadow zone.
Fading is small when a good optical path is present.

Which of the above statements are correct?
1, 2 and 3
1 and 2 only
1 and 3 only
2 and 3 only

⇒ In a class C operation V_CC = 40 V and V_CE(sat) = 0.4 V. The efficiency is
0.9
0.495
0.01
0.005

⇒ With respect to the Miller integrator sweep shown below, the sweep rate wil
2
4
1.5
2.5

⇒ In a single phase full wave ac regulator the rms value of load current is 20 A load is purely resistive. Then
average thyristor current will be less than 20 A but rms thyristor current will be more than 20 A
both the average and rms thyristor currents will be less than 20 A
both the average and rms thyristor currents will be more than 20 A
rms thyristor current will be 20 A and average thyristor current will be 10 A

⇒

Match the following:

	List I (Electron spin)		List II (Phenomenon)
A.	↑↑↑↑	1.	Antiferromagnetism
B.	↑↓↑↓	2.	Ferrimagnetism
C.	↑↓↑↓	3.	Ferromagnetism

A-1, B-2, C-3
A-3, B-2, C-1
A-2, B-3, C-1
A-3, B-1, C-2

⇒ Which of the following is the main advantage of PCM system?
Lower noise
Lower power
Lower bandwidth
All of the above

⇒ For Disk partitioning th DOS command is
F DISK
H DISK
A DISK
D DISK

⇒ A waveguide behave as
high Pass filter
low Pass filter
band Pass filter
all Pass filter

⇒ If the variance σ_x² of d(n) = x(n) - x(n - 1) is one-tenth the variance σ_x² of a stationary zero mean discrete time signal x(n), then the normalized autocorrelation function R_xx(x)/σ_x² at k = 1 is
0.95
0.9
0.1
0.05

⇒ An 8 bit DAC has a full scale output of 2 mA and full scale error of ± 0.5%. If input is 10000000 the range of outputs is
994 to 1014 μA
990 to 1020 μA
800 to 1200 μA
none of the above

⇒ A 360 W carrier is simultaneously modulated by two audio wave with modulation percentage of 55 and 65 respectively. Total sideband power radiated will be
500 W
360 W
180 W
130 W

⇒ Decimal 18.29 when converted int 10's complement will become
81.7707
81.7
81.777
81.077

⇒ In an n channel JFET, the gate is
n type
p type
either n or p
partially n & partially p

⇒ A static excitation system uses
transformer and thyristors
transformer and ac exciter
dc exciter and ac exciter
transformer and dc exciter

⇒ Consider the draw backs

Slope overload
Serration noise
Granular noise

Which of these draw backs does Delta modulation have?
1 and 2 only
2 and 3 only
1 and 3 only
1, 2, 3

⇒ A P-N junction diode dynamic conductance is directly proportional to
the applied voltage
the temperature
its current
thermal voltage

⇒ Which of the following is a disadvantage of Vestigial Sideband (VSB) system?
Low video frequencies are attenuated
Bandwidth is conserved resulting in a saving of 2 MHz per channel over DSB system
It results in a power boost of two video frequencies
It possess the advantages of both DSB and SSB system

⇒ (sI - A)^-1 is equal to
adj (sI - A)/det (sI - A)
det (sI - A)/adj(sI - A )
[adj (sI - A)] [det(sI - A)]
none of the above

⇒ A two branch parallel tuned circuit has 100 Ω resistance and 0.1 H inductance in one branch and 10^-6 F capacitor in the other. At resonance frequency, the dynamic resistance is
10 Ω
100 Ω
1000 Ω
10000 Ω

⇒ In the circuit of figure β = 100 and quiescent value of base current is 20 μA. The quiescent value of colle
0.2 μA
2 μA
2 mA
20 mA

⇒ The function off an oxide layer in an IC device is to

mask against diffusion or ion implantation
insulate the surface electrically
increase the melting point of Si
produce a chemically stable protective layer

1, 2, 3
1, 3, 4
2, 3, 4
4, 1, 2