Question is ⇒ In a JFET avalanche breakdown occurs when VDS = 22 V and VGS = 0. If VGS = -1 V, the avalanche breakdown will occur at, Options are ⇒ (A) VDS = 22 V, (B) VDS more than 22 V, (C) VDS equal to or more than 22 V, (D) VDS less than 22 V, (E) , Leave your comments or Download question paper.

Question is ⇒ In a JFET avalanche breakdown occurs when VDS = 22 V and VGS = 0. If VGS = -1 V, the avalanche breakdown will occur at, Options are ⇒ (A) VDS = 22 V, (B) VDS more than 22 V, (C) VDS equal to or more than 22 V, (D) VDS less than 22 V, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	In a JFET avalanche breakdown occurs when V_DS = 22 V and V_GS = 0. If V_GS = -1 V, the avalanche breakdown will occur at
A.	V_DS = 22 V [Wrong Answer]
B.	V_DS more than 22 V [Wrong Answer]
C.	V_DS equal to or more than 22 V [Wrong Answer]
D.	V_DS less than 22 V [Correct Answer]
View Answer 1 -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 :

⇒ A potential difference is developed across a current carrying metal strip when the strip is placed in a transverse magnetic field. The above effect is known as
Fermi's effect
Photo electric effect
Joule's effect
Hall's effect

⇒ Magnetic recording tape is most commonly made from
small particles of iron
silicon iron
ferric-oxide
silver nitrate

⇒ Poynting vector is associated with which of the following?
Power flow in electromagnetic
Flux in magnetic field
Charge in electrostatic field
Current in electrostatic field

⇒

Match the following:

	List I (Theorems)		List II (Property of Network)
A.	Reciprocity	1.	Impedance matching
B.	Tellegen's	2.	Bilateral
C.	Superposition	3.	∑ V_jk I_jk = 0
D.	Maximum power transfer	4.	Linear
		5.	Non linear

A-1, B-2, C-3, D-4
A-1, B-2, C-3, D-5
A-2, B-3, C-4, D-1
A-2, B-3, C-5, D-1

⇒

Match the following:

	List I		List II
A.	Coastals receiver	1.	VSB
B.	Stereo-multiplexing	2.	Demodulating DSB-SC
C.	TV broad casting	3.	FM radio broad casting
		4.	Slope overload
		5.	Matched filter

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

⇒ Pre-emphasis and De-emphasis is done by using R-C circuit.
TRUE
FALSE

⇒ To avoid the effect of stray magnetic fields in ac bridge we can use
magnetic screening
Wagner earthing device
wave filter
transformer

⇒ The resolution of a 12-bit D/A converter using a binary ladder with + 10V as the full scale output will be
2.44 mV
3.50 mV
4.32 mV
5.12 mV

⇒ With negative feedback the closed loop gain is always less than open loop gain.
TRUE
FALSE

⇒ How many maximum number of functions can be defined with two symbols which are Boolean in nature:
4
8
2
16

⇒ The electric field of an EM wave propagating in the z direction given
linearly polarized in z direction
elliptically polarized
left hand circularly polarized
right hand circularly polarized

⇒ A loop antenna is a commonly used for
radar
direction finding
satellite communication
all of the above

⇒ In a JK Master slave flip flop
both master and slave are positively clocked
both master and slave are negatively clocked
master is positively clocked and slave is negatively clocked
master is negatively clocked and slave is positively clocked

⇒ Transistor are free from which type of noise?
Resistance noise
Partition noise
Flicker noise
Shot noise

⇒ In radar display system PPI stands for
Pulse Position Indicator
Plan Position Indicator
Phase Position Indicator
Point Position Indicator

⇒ The static electric field in a conductor is
zero
unity
infinity
none of the above

⇒ A dc amplifier can operate
at zero frequency
only at low frequency
only at high frequencies
both at low and high frequencies

⇒ The number of bits in EBCDIC is
12
10
8
6

⇒ A 4 bit shift register is initialized to value 1000 for (Q₃, Q₂, Q₁, Q₀). The D input is derived from Q₀, Q₂ and Q₃ through two XOR gates as shown in figure. The pattern 1000 will appea
3rd pulse
7th pulse
6th pulse
4th pulse

⇒ X-rays cannot penetrate through a thick sheet of
wood
paper
lead
aluminium

⇒ A message signal x(t) is amplitude modulated with carrier c(t2ω
3ω
1ω
0.5ω

⇒ Mark out the WRONG statem
Needs very high-speed burst modems
Faces no problems caused by intermodulation of carriers so that transponder can be used at its full power
Needs high-speed manipulation of bit streams
Is less flexible so that channels of widely different capacities cannot used and intermixed

⇒ In the above case the modulation index will be
9.6
28.8
57.6
100

⇒ Paper capacitors are used in power supplies for filtering.
TRUE
FALSE

⇒ The triangular wave of the given figure can be written as v(t) = u(t) - tu(t) + (t - 1) u(t
TRUE
FALSE

⇒ In a 3 phase semiconverter, the freewheeling diode comes into operation only if firing angle
is zero
is 60°
is more than 60°
is more than 90°

⇒ Lines of magnetic field attract each other.
TRUE
FALSE

⇒ Calculate the conductivity of pure silicon at room temperature when the concentration of carriers is 1.6 x 10¹⁰ per cm³. Take μ_e = 1500 cm²/V-sec, μ_h = 500 cm²/V-sec at room temperature,
5.12 x 10^-16
5 x 10⁺¹⁶
10¹⁶
5 x 10²⁰

⇒ When all the seven segments of a display are energized, the number shown is
0
1
7
8

⇒ In a P-N-P junction transistor as compared to base region is more heavily doped so that
leakage current is minimized
recombination will be increased in the base region
the flow across the base regional is only because of electrons
the flow across the base region is mainly because of holes

Users Also Read
Previous Papers

Aptitude

Reasoning

Gen.Knowledge

Speak English

English / Verbal

Online / Mock Test

Vedic Math