Question is ⇒ From an n channel JFET for VDS constant and if VGS is made more negative, pinch off would occur at, Options are ⇒ (A) higher value of drain current, (B) saturation value of drain current, (C) zero drain current, (D) gate current equal to drain current, (E) , Leave your comments or Download question paper.

Question is ⇒ From an n channel JFET for VDS constant and if VGS is made more negative, pinch off would occur at, Options are ⇒ (A) higher value of drain current, (B) saturation value of drain current, (C) zero drain current, (D) gate current equal to drain current, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	From an n channel JFET for V_DS constant and if V_GS is made more negative, pinch off would occur at
A.	higher value of drain current [Wrong Answer]
B.	saturation value of drain current [Wrong Answer]
C.	zero drain current [Correct Answer]
D.	gate current equal to drain current [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : C 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 :

⇒

Match the following:

	List I		List II
A.	Zener diode	1.	used in seven segment display
B.	Tunnel diode	2.	used in voltage regulator circuits
C.	LED	3.	used is solar energy utilization
D.	Photovoltaic cell	4.	used in digital circuits

A-1, B-3, C-2, D-4
A-2, B-3, C-1, D-4
A-2, B-4, C-1, D-3
A-3, B-2, C-4, D-1

⇒ The more negative gate voltage, the conductive channel becomes
narrower
wider
thicker
linear

⇒ Consider the following stateme
1 and 2
1 and 3
2 and 3
3 only

⇒ The box on the external left of the title bar of menu is called control menu box.
TRUE
FALSE

⇒ In a power system, reactive power is necessary for
power transmission
stabilising the voltage level
counteracting the effect of reactance in the transmission system
none of the above

⇒ Consider the following statements about loop antenna

It is suitable for direction finding application
It is a single turn or multiturn coil carrying RF current
The loop is surrounded by a magnetic field everywhere perpendicular to the loop

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

⇒ In Bode method of stability analysis, the error curve is not symmetric about corner frequency.
TRUE
FALSE

⇒ Gain of isotropic antenna is
10 dB
0 dB
∞
1 dB

⇒ In a microprocessor system the stack is used for
starting the program return address whenever a subroutine jump instruction is execute
transmitting and receiving input and output data
starting all important CPU register contents whenever an interrupt is to be serviced
storing program instructions for interrupt service routine

⇒ Transfer function of a linear system is 200 e^-j10ω The system is a
distortionless Attenuator
amplifier with Phase distortion
distortionless Amplifier
attenuator with Phase distortion

⇒ Resistivity of semiconductors is around 100 Ω-m.
TRUE
FALSE

⇒ 10 in BCD code represent
10100
1100
10111
None of the above

⇒ A seven bit (even parity) code 0010001 may have error. The correct code is
10001
1110001
11001
1111110

⇒ A dominant wave is characterised by which of the following?
No attenuation
Lowest cut off wavelength
Highest cut off wavelength
All of the above

⇒ A piece of iron is placed in a magnetic field
the magnetic field will not be affected
the magnetic lines of force will bend to pass through the piece
the magnetic lines of force will bend away from the piece
any of the above depending on type of iron

⇒ The three sides of an admittance triangle denote
G, B, Y
R, X, Y
G, B, Z
(R, Y, Z) or (R, X, Z)

⇒ As the frequency increases, the absorption of ground wave by earth's surface
decreases
increases
remains the same
either (a) or (c)

⇒ The magnitude response of a normalised Butterworth low pass filter is
linear starting with value of unity at zero frequency and 0.707 at cut off frequency
non linear all through but with values of unity at zero frequency and 0.707 at cut off frequency
linear upto cut off frequency and nonlinear thereafter
nonlinear upto cut off frequency and linear thereafter

⇒ In 8085 microprocessor, what is the length of temporary register?
6 bits
8 bits
12 bits
16 bits

⇒ The inductance of a single layer solenoid of 10 turns is 5 μH. Which one of the following is the correct value of inductance when the number of turns is 20 and the length is doubled.
10 μH
20 μH
40 μH
5 μH

⇒ A BJT amplifier has a power gain of 0.5 from source to base. The power gain in dB is
-0.3 dB
-3 dB
-6 dB
-10 dB

⇒ Tropospheric scatter is used with frequencies in the range of
VLF
HF
UHF
VHF

⇒ The impedance of an RC series circuit is 12 Ω at f= 50 Hz. At f= 200 Hz, the impedance will be
more than 12
less than 3
more than 3 Ω but less than 12 Ω
more than 12 Ω but less than 24 Ω

⇒ In a positive edge triggered JK flip flop
High J and High K produce inactive state
Low J and High K produce inactive state
Low J and Low K produce inactive state
High J and Low K produce inactive state

⇒ Fourier transform and F(jω) of a signal f(t) has the property
F(jω) = F(-jω)
F(jω) = -F(-jω)
F(jω) = F^*(jω)
F(jω) = -F^*(-jω)

⇒ A 2 bit BCD D/A converter is a weighted resistor type with E_R = 1V, R = 1 MΩ and R_f = 10KΩ then Resolution in percent and volt is __________ .
1%, 1 mv
10%, 10 mv
10%, 1 mv
1%, 10 mv

⇒ In flip flops the duration of clock pulse is about
3 ns
10 ns
25 ns
50 ns

⇒ The diameter of an atom is
10^-6 metre
10^-10 metre
10^-15 metre
10^-21 metre

⇒ An FM signal has modulating frequency f_m and maximum frequency deviation of δ. The bandwidth will be nearly equal to
δ
2 δ
2f_m δ
f_m δ

⇒ When the ac base voltage in a CE amplifier circuit is too high, the ac emitter current is
zero
constant
alternating
distorted