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Consider the following statements
| |
A. | 1 and 2 [Wrong Answer] |
B. | 3 and 4 [Wrong Answer] |
C. | 1, 2, 3, 4 [Wrong Answer] |
D. | 1, 2 and 4 [Correct Answer] |
View Answer
Explanation:-
Answer : D Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ An RL impedance function is to be synthesised in second Foster form. The proper function to be expanded is
Z(s)
sZ(s)
1/Z(s)
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⇒ In a coaxial line
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the wave velocity is less than that of two wire line
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⇒ In Pascal if I = 45, I div 10 * 10 =
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⇒ In an end fire array, the radiation pattern
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⇒ Photo electric emission can occur only if
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⇒ In a cable with ∈_{r} = 4, the wave velocity is
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⇒ An RL impedance function is to be synthesised in second Foster form. The proper function to be expanded is
Z(s)
sZ(s)
1/Z(s)
Z(s)/s
⇒ In a coaxial line
the characteristic impedance is less than that of two wire line
the wave velocity is less than that of two wire line
both (a) and (b)
neither (a) nor (b)
⇒ In Pascal if I = 45, I div 10 * 10 =
45
40
0.45
0.4
⇒ A single phase semiconverter is supplying RLE load and has a freewheeling diode across the load. The firing angle is a. The freewheeling diode conducts for
a° in each half cycle
(p - a)° in each cycle
a° in one full cycle
(p + a)° in each half cycle
⇒ In a self bias circuit for CE amplifier the collector supply voltage is made twice. The collector current will
decrease
increase
remain the same
increase or decrease
⇒ The probability giving distribution of electrons over a range of allowed energy levels is known as
Maxwell's Distribution
Fermi-Dirac Distribution
Richardson Dushman Distribution
none of the above
⇒ The term critical frequency denotes
the lowest frequency that is reflected by the ionosphere
the highest frequency that is reflected by the ionosphere at vertical distance
the lowest frequency by which communication is possible between two given points
none of the above
⇒ In all insulators the bonding is covalent.
TRUE
FALSE
⇒ In an end fire array, the radiation pattern
is in the plane of array
is at right angles to array
is at an angle to the plane of array
either (b) or (c)
⇒ For a single phase half wave converter feeding a resistive load, the firing angle a. The waveshape in below figure is
output voltage
input voltage
voltage drop across thyristor
none of the above
⇒ The given characteristic polynomial s^{4} + s^{3} + 2s^{2} + 2s + 3 = 0 has
zero root in RHS of s-plane
one root in RHS of s-plane
two roots in RHS of s-plane
three roots in RHS of s-plane
⇒ In 8085 microprocessor, which of the following interrupts has the highest priority?
RST 5.5
RST 7.5
TRAP
INTR
⇒ NMOS devices have __________ switching speeds and __________ on-state resistance; as compared with PMOS devices.
slower, higher
faster, lower
faster, higher
slower, lower
⇒ A retriggerable one shot is one which
can be triggered only once
has two quasi stable states
can not be retriggered till the complete pulse appears at output
can be retriggered while the output is being generated
⇒ Which of the following uses a capacitor in the feedback path?
Active low pass filter
Active high pass filter
Both (a) or (b)
Neither (a) nor (b)
⇒ Photo electric emission can occur only if
wave length of incident radiation is equal to threshold value
wave length of incident radiation is less than threshold value
frequency of incident radiation is less than threshold frequency
none of the above
⇒ A magnetron requires an external magnetic field with flux lines parallel to axis of cathode
TRUE
FALSE
⇒ In a cable with ∈_{r} = 4, the wave velocity is
3 x 10^{8} m/s
0.75 x 10^{8} m/s
1.5 x 10^{8} m/s
10^{8} m/s
⇒ In position control system the device used for providing rate feedback voltage is
potentiometer
synchro-transmitter
synchro-transformer
tacho generator
⇒ For a logic fa
V_{IH} > V_{0H} > V_{IL} > V_{0L}
V_{OH} > V_{IH} > V_{IL} > V_{0L}
V_{IH} > V_{OH} > V_{OL} > V_{IL}
V_{OH} > V_{IH} > V_{OL} > V_{IL}
⇒ If A is 1011, A" is
1011
100
1100
1010
⇒ For the time domain response shown in figure the
lies on negative real axis
lies on positive real axis
lies on imaginary axis
is complex or imaginary
⇒ Which of the following op-amp circuits has zero resistance in the feedback path?
Inverting amplifier
Summing amplifier
Source follower
Integrating amplifier
⇒ Which of the following microphones is used as a standard for calibration?
Moving coil
Carbon
Condenser
Ribbon
⇒ Three point tracking can be achieved with
gang condenser
variable selectivity
paddar capacitor
any of the above
⇒ Consider the following Statements regarding resistance strain gauge
- The gauge factor is in the range of 2 to 5.
- The resistance changes due to change in specific resistance with strain.
- The resistance increases with increase in temperature.
1, 2, 3
1 and 2
2 and 3
1 and 3
⇒ Which is correct for a transfer function?
The poles and zero must be complex
If the poles and zeros are complex or imaginary, they must be conjugate
If the poles and zeros are complex they must be simple
If a zero is imaginary, it must be simple
⇒ In phase shift keying the input signal is
s_{t}(t) = A cos ω_{0}t and s_{2}(t) = - A cos ω_{0}t
s_{1}(t) = s_{2}(t) = A cos ω_{0}t
s_{1}(t) = A cos ω_{0}t and s_{2}(t) = A cos (ω_{0}t + p/2)
s_{1}(t) = A cos ω_{0}t and s_{2}(t) = - A (cos ω_{0}t + p/2)
⇒ Which of the following is error correcting code?
EBCDIC
Gray
Hamming
ASCII
⇒ A circuit is replaced by its Thevenin's equivalent to find current through a certain branch. If V_{TH} = 10 V and R_{TH} = 20 Ω, the current through the branch
will always be 0.5 A
will always be less than 0.5 A
will always be equal to or less than 0.5 A
may be 0.5 A or more or less