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Troposphere is the upper part of the Earth's atmosphere which absorbs large quantities of Sun's radiations. | |
A. | TRUE [Wrong Answer] |
B. | FALSE [Correct Answer] |
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Explanation:-
Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ A mode-10 counter can divide the clock frequency by a factor of
10
100
1000
10000
⇒ The accuracy of an instrument is determined by
closeness of indicated value to the actual value
repeatability of measured value
speed with which the reading approaches final value
least value which can be measured
⇒ In a three phase to single phase full wave bridge cycloconverter, the number of thyristors is
36
18
12
8
⇒ Class-B amplifier has less efficiency compared to
class A
class B
class C
class A, AB and C
⇒ The current I in the circuit show
- j1 A
j1 A
0
20 A
⇒ Temporary register in 8085 is a 16 bit register.
TRUE
FALSE
⇒ Audio frequency range lies between
20 Hz and 20 kHz
20 kHz and 20 MHz
2 MHz and 20 MHz
20 MHz and 200 MHz
⇒ In the following non planar graph number of independent loop equations
8
12
7
5
⇒ The torque in induction wattmeters due to
capacitive current
electrostatic effect
hall effect
eddy currents
⇒ The MOS symbol shown indicates that
1, 3, 6
1, 3, 5
2, 4, 6
2, 3, 5
⇒ Symbol shown in figure represen
P-channel DMOSFET
N-channel DMOSFET
UJT with P-type base
UJT with N-type base
⇒ Decimal 45.15 when converted into 9's complement will become
54.84
45.48
48.54
45.84
⇒ If wave of critical frequency 30 MHz is departing at an angle of 60°, then the MUF is given to be
10 MHz
15 MHz
30 MHz
60 MHz
⇒ A dc amplifier can operate
at zero frequency
only at low frequency
only at high frequencies
both at low and high frequencies
⇒ The carriers of n channel JFET are
free electrons and holes
holes
free electrons or holes
free electrons
⇒ In molecules of ionic crystals, orientation polarization is zero.
TRUE
FALSE
⇒ In a microprocessor
one machine cycle is equal to one clock cycle
one clock cycle consists of several machine cycles
one machine cycle consists of several clock cycles
one machine cycle is always less than one clock cycle
⇒ Three inductors each 30 mH are connected in delta. The value of inductance or each arm of equivalent star is
10 mH
15 mH
30 mH
90 mH
⇒ During fast forward operation of a tape recorder
all heads are withdrawn
all amplifiers are shut off
tape is not pressed against capstan
all of the above
⇒ ALU processes
decimal numbers
binary numbers
hexadecimal numbers
all of the above
⇒ In Weston synchronoscope the fixed coils are connected across
bus bars
incoming alternator
lamp
either (a) or (b)
⇒ Which one of the following can be used for amplification of microwave energy?
TWT
Magnetron
Reflex klystron
Gunn diode
⇒ If f(t) = - f(- t) satisfies Drichlet conditions, then f(t) can be expanded in Fourier series containing
only sine terms
only cosine terms
cosine terms and constant
sine terms and constant
⇒ A practical Parallel resonant circuit has a coil in Parallel with a 0.14 μf capacitor. The coil has an inductance of 1 mH and a resistance of 10 ohms. The Q of the circuit is
1000
100
10
1
⇒ In figure, which value of Z_{L} will cause maximum power to be transferred to the l
2 + j2 Ω
2 - j2 Ω
- 2 Ω
2 Ω
⇒ In which of the following logical group instructions of 8085 do the contents of accumulator remain unchanged?
⇒ Which of the following characteristics is not true for TTL Logic?
Good speed
Low power dissipation per gate
High cost
None of these
⇒ A signal m(t) is multiplied by a sinusoidal waveform of frequency f_{c} such
0.5 M(f + f_{c})
0.5 M(f - f_{c})
0.5 M(f + f_{c}) + 0.5 M(f - f_{c})
0.5 M(f - f_{c}) + 0.5 M(f - f_{c})
⇒ A 300 Hz sound wave of intensity 20 dB is transmitted by a 1500 kHz radio wave by frequency modulation. It is seen that instantaneous frequency varies between 1500.2 kHz and 1499.8 kHz, 300 times a second. If the intensity of sound wave is 100 dB.
The instantaneous frequency variations will be between 1500.2 and 1499.8 kHz, 1500 times a second
The instantaneous frequency variations will be between 1501 and 1499 kHz, 1500 times a second
The instantaneous frequency variations will be between 1501 and 1499 kHz, 300 times a second
The instantaneous frequency variations will be between 1501 and 1499 kHz, 60 times a second
⇒ The Z inverse of the given Z transform i
unit step
unit impulse
unit ramp
unit parabola
⇒ A mode-10 counter can divide the clock frequency by a factor of
10
100
1000
10000
⇒ The accuracy of an instrument is determined by
closeness of indicated value to the actual value
repeatability of measured value
speed with which the reading approaches final value
least value which can be measured
⇒ In a three phase to single phase full wave bridge cycloconverter, the number of thyristors is
36
18
12
8
⇒ Class-B amplifier has less efficiency compared to
class A
class B
class C
class A, AB and C
⇒ The current I in the circuit show
- j1 A
j1 A
0
20 A
⇒ Temporary register in 8085 is a 16 bit register.
TRUE
FALSE
⇒ Audio frequency range lies between
20 Hz and 20 kHz
20 kHz and 20 MHz
2 MHz and 20 MHz
20 MHz and 200 MHz
⇒ In the following non planar graph number of independent loop equations
8
12
7
5
⇒ The torque in induction wattmeters due to
capacitive current
electrostatic effect
hall effect
eddy currents
⇒ The MOS symbol shown indicates that
- It is depletion type
- It is enhancement type
- It is channel
- It is P-channel
- Electrons flow from s to D
- Holes flow from D to s
1, 3, 6
1, 3, 5
2, 4, 6
2, 3, 5
⇒ Symbol shown in figure represen
P-channel DMOSFET
N-channel DMOSFET
UJT with P-type base
UJT with N-type base
⇒ Decimal 45.15 when converted into 9's complement will become
54.84
45.48
48.54
45.84
⇒ If wave of critical frequency 30 MHz is departing at an angle of 60°, then the MUF is given to be
10 MHz
15 MHz
30 MHz
60 MHz
⇒ A dc amplifier can operate
at zero frequency
only at low frequency
only at high frequencies
both at low and high frequencies
⇒ The carriers of n channel JFET are
free electrons and holes
holes
free electrons or holes
free electrons
⇒ In molecules of ionic crystals, orientation polarization is zero.
TRUE
FALSE
⇒ In a microprocessor
one machine cycle is equal to one clock cycle
one clock cycle consists of several machine cycles
one machine cycle consists of several clock cycles
one machine cycle is always less than one clock cycle
⇒ Three inductors each 30 mH are connected in delta. The value of inductance or each arm of equivalent star is
10 mH
15 mH
30 mH
90 mH
⇒ During fast forward operation of a tape recorder
all heads are withdrawn
all amplifiers are shut off
tape is not pressed against capstan
all of the above
⇒ ALU processes
decimal numbers
binary numbers
hexadecimal numbers
all of the above
⇒ In Weston synchronoscope the fixed coils are connected across
bus bars
incoming alternator
lamp
either (a) or (b)
⇒ Which one of the following can be used for amplification of microwave energy?
TWT
Magnetron
Reflex klystron
Gunn diode
⇒ If f(t) = - f(- t) satisfies Drichlet conditions, then f(t) can be expanded in Fourier series containing
only sine terms
only cosine terms
cosine terms and constant
sine terms and constant
⇒ A practical Parallel resonant circuit has a coil in Parallel with a 0.14 μf capacitor. The coil has an inductance of 1 mH and a resistance of 10 ohms. The Q of the circuit is
1000
100
10
1
⇒ In figure, which value of Z_{L} will cause maximum power to be transferred to the l
2 + j2 Ω
2 - j2 Ω
- 2 Ω
2 Ω
⇒ In which of the following logical group instructions of 8085 do the contents of accumulator remain unchanged?
ORA r
ORA M
ORI data
CMP r
⇒ Which of the following characteristics is not true for TTL Logic?
Good speed
Low power dissipation per gate
High cost
None of these
⇒ A signal m(t) is multiplied by a sinusoidal waveform of frequency f_{c} such
0.5 M(f + f_{c})
0.5 M(f - f_{c})
0.5 M(f + f_{c}) + 0.5 M(f - f_{c})
0.5 M(f - f_{c}) + 0.5 M(f - f_{c})
⇒ A 300 Hz sound wave of intensity 20 dB is transmitted by a 1500 kHz radio wave by frequency modulation. It is seen that instantaneous frequency varies between 1500.2 kHz and 1499.8 kHz, 300 times a second. If the intensity of sound wave is 100 dB.
The instantaneous frequency variations will be between 1500.2 and 1499.8 kHz, 1500 times a second
The instantaneous frequency variations will be between 1501 and 1499 kHz, 1500 times a second
The instantaneous frequency variations will be between 1501 and 1499 kHz, 300 times a second
The instantaneous frequency variations will be between 1501 and 1499 kHz, 60 times a second
⇒ The Z inverse of the given Z transform i
unit step
unit impulse
unit ramp
unit parabola