Question is ⇒ When avalanche breakdown occurs covalent bonds are not affected., Options are ⇒ (A) TRUE, (B) FALSE, (C) , (D) , (E) , Leave your comments or Download question paper.

Question is ⇒ When avalanche breakdown occurs covalent bonds are not affected., Options are ⇒ (A) TRUE, (B) FALSE, (C) , (D) , (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	When avalanche breakdown occurs covalent bonds are not affected.
A.	TRUE [Wrong Answer]
B.	FALSE [Correct Answer]
View Answer 1 -1 Explanation:- Answer : B 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 :

⇒ In a series RLC circuit excited by e = E_m sin ωt is seen that LC < 1/ω². Then
I lags E
I leads E
I leads E are in phase
voltage across L and C are equal

⇒ In response to a unit step input the controller output in given figure is
proportional controller
proportional plus integral controller
integral controller
none of the above

⇒ With respect to the differential amplifier configuration shown below, the differential gain A_d will
273.63
213.63
113.63
233.63

⇒ The relation between bandwidth B, modulating frequency f_m and frequency deviation Δf for a sinusoidally modulated FM signal is
B = Δf + f_m
B = 2(Δf + f_m)
B = f_m - Δf/
B = 2(f_m - Δf)

⇒

Assertion (A): If integral control action is included in the controller the offset can be eliminated.

Reason (R): Integral control action may lead to oscillatory response.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
R is correct but A is wrong

⇒ Resistivity of metals is expressed in terms of
μ ohm
μ ohm/cm
μ ohm-cm
μ ohm-cm/°C

⇒ The two numbers represent in signed 2's complement form are P = 11101101 and Q = 111001110. If Q subtracted from P, the value obtained in signed 2's complement form is
100000111
111
11111001
111111001

⇒ For a wave propagating in air filled rectangular waveguide.
guide wavelength is never less than free space wavelength.
wave impedance is never less than the free space impedance
TEM mode is possible if the dimension of the waveguide are properly chosen.
propagation constant is a real quantity.

⇒ Consider the following mnemonics

MOV
ADD
LXI

Which of the above are valid for 8085?
1 and 2 only
1 only
1, 2 and 3
1 and 3 only

⇒ Which 8085 instruction causes exchange of contents of stack pointer with the contents of H L register pair?
XTHL
PCHL
LHLD
MVIA

⇒ Consider the following symbols

Letters A to Z and a to z
Digits 0 to 9
Logical operators and, or, not
Parenthesis ( )

Which of the above symbols are available in Pascal?
1 and 2 only
1, 2 and 3 only
1, 2 and 4 only
All

⇒ The register set and instruction set of 8088 is similar to that of
8085
8086
partly 8085 and partly 8086
none of the above

⇒

Assertion (A): A Smith chart can be used for a number of calculations of a transmission line

Reason (R): Smith chart is basically a polar impedance diagram.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct

⇒ In dielectric heating, the thyristor circuits consist of
rectifier-chopper combination
controlled rectifier
ac regulator
rectifier-inverter combination

⇒ In a stop-and-wait ARQ system, the transmitting terminal
waits for positive or negative acknowled-gement from the receiving terminal after sending a block
sends another block if positive acknowledge is received through ACK character
resends the previous block if negative acknowledgement is received through a NAK character
does not wait for acknowledgement after sending a block

⇒ If the bandwidth is increased by 2, the γ_FM γ_AM (where γ is the ratio of SNR of output to SNR at input, FM is frequency modulation and AM is amplitude modulation) is increased by a factor of
2
3
4
6

⇒ Which of the following is true about an impulse voltage?
It is a unidirectional voltage
Chopped impulse flashover does not occur
Time taken to rise is equal to time taken to fall
RMS value is always less than 50% of average value

⇒

Match the following:

	List I		List II
A.	IF noise	1.	Ganged tuning
B.	Image frequency	2.	Spurious response
C.	Station selector	3.	Leaky filter capacitor
D.	Excessive Hum	4.	Mixer stage

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

⇒ Assuming that k is an integer what would the result of following expression
8
7
7.5
zero

⇒ PID controlled system has
P and I actions in forward path and D action in feedback path
P and I actions in feedback path and actions in forward path
All the three (i.e., P, I and D) actions in forward path
All the three (i.e., P, I and D) actions in feedback path

⇒

Assertion (A): A demultiplexer can be used as a decoder.

Reason (R): A demultiplexer can be built by using AND gates only.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is true, R is false
A is false, R is true

⇒ In the self biasing scheme (R_F across collector to base) of BJT, S₁ tends to unity by __________ R_C is the collector load Resistance.
increasing R_F
decreasing R_F
decreasing R_F and increasing R_C
increasing R_F and decreasing R_C

⇒ As compared to the number of network elements in Brune synthesis, the number of network elements Bott-and Duffin in realization is
more
less
equal
any of the above

⇒ Tropospheric mode of propagation is used in
UHF
VLF
MF
HF

⇒

Assertion (A): Derivative control action is also called rate control and has an anticipatory character.

Reason (R): Derivative control amplifies noise signals.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
R is correct but A is wrong

⇒ A signal f(t) = cos 10pt + 3 cos 4pt is instantaneously sampled. The maximum allowable value of sampling interval T_s in sec is
1 / 4 sec
1 / 8 sec
1 / 8p sec
1 / 10 sec

⇒ The symbol in figure is
SUS
SBS
SCS
None of the above

⇒ In an oscillator crystal, the parallel resonant frequency is
equal to
higher than
less than
series resonant frequency

⇒ For the shaded area in Venn diagram of the given figure, the Boolean expressio
AB + BC + CA
ABC + A B C
ABC + A B C
ABC+AB

⇒ A dc chopper V = 500 V feeds an electric fraction dc series motor. The chopping frequency is 400 Hz. The series inductance required to limit the maximum current swing to 10 A is
20 mH
about 31 mH
about 51 mH
about 92 mH