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Consider the following statements:
| |
A. | only 1 is correct [Wrong Answer] |
B. | both 1 and 2 are correct [Correct Answer] |
C. | only 2 is correct [Wrong Answer] |
D. | both are wrong [Wrong Answer] |
View Answer
Explanation:-
Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
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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
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⇒ How many number of branches the root loci of the equation s(s + 2)(s + 3) + K(s + 2) = 0 have?
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Two
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⇒ The units of transistor h parameters h_{11} and h_{22} are the same.
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⇒ The phase angle characteristic in the given figure is
all pass function
transport lag
minimum phase function
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⇒ To prevent overloading in the last IF amplifier one should use
variable sensitivity
squelch
double conversion
variable selectivity
⇒ A lag compensator provides attenuation in
very low frequency range
low frequency range
high frequency range
none of the above
⇒ For the circuit shown in the figure, the capacitor C is initially uncharged. At t = 0, the switch S is closed. The voltage V_{c} across the capacitor at t = 1 millisecond is (In the figure shown above, the op-amp is supplied with ± 15 V and the ground has been shown by the sym
0 V
6.3 V
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⇒ In a circuit of figure, V_{s} = 10 cos(ωt) power drawn by the 2Ω resistor is 4 watts. The power facto
0.3
0.4
0.6
none
⇒ A resistor is rated at 0.75 watt, 1 kΩ. Its current rating is
1 mA
27.386 mA
1.268 mA
5.393 mA
⇒ Which of the following conditional statements is not valid in Pascal?
If A > = B then B : = C + D + X
If (N = 45) THEN X : = X + 2 ELSEX : = 0
If A < = B then A : = C * D
If (A > = B) X : Y else X : = Z
⇒ Ridge waveguide is essentially a form of capacitively loaded guide.
TRUE
FALSE
⇒ - 56 is not a valid real constant in Fortran.
TRUE
FALSE
⇒ Resistivity of metals consists of two parts, one part constant and the other temperature dependent.
TRUE
FALSE
⇒ A signal is x + f(t) where x is constant and f(t) is a power signal with zero mean value. The power of the signal is
x^{2}
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more than x^{2} + f^{2}(t)
less than x^{2} + f^{2}(t)
⇒ The sum of two sine waves of different frequencies is a sine wave.
TRUE
FALSE
⇒ To protect the diodes in a rectifier and capacitor input filter circuit it is necessary to use
surge resistor
surge inductor
surge capacitor
both (a) and (b)
⇒ With negative feedback the closed loop gain is always less than open loop gain.
TRUE
FALSE
⇒ Poynting vector is associated with
flux in magnetic field
power flow in electrostatic field
current in electrostatic field
charge in electrostatic field
⇒ A TV receiver has a width of 60 cm. The aspect ratio is 4/3. The required EHT supply is about
29 kV
2.9 kV
45 kV
4.5 kV
⇒ Class C operation finds application in
RF power amplifiers
frequency multipliers
both (a) and (b)
neither (a) nor (b)
⇒ Energy = voltage x charge.
TRUE
FALSE
⇒ A choke coil of resistance R and inductance L is shunted by capacitor C. The dynamic resistance is
R/LC
C/RL
L/RC
1/RLC
⇒ Colour code of carbon resistors has only two bands.
TRUE
FALSE
⇒ A Charge Couple Device (CCD) is a
RAM
sequential accessed memory
content addressable memory
read only memory
⇒ A noiseless 3 kHz channel can't transmit binary bit at the rate
12000 bps
1000 bps
6000 bps
3000 bps
⇒ A network has only independent current sources and resistance. If values of all resistors are doubled, the values of node voltages
will become half
will remain unchanged
will become double
cannot be determined unless circuit configuration and values of resistors are known
⇒ The frequency range of 300 kHz to 3000 kHz is known as
low frequency
medium frequency
high frequency
very high frequency
⇒ IN 3242 is a
P-N-P transistor
N-P-N transistor
UJT
semi-conductor diode
⇒ In a Vidicon camera tube, the beam current is controlled by
grid G_{1}
grid G_{2}
grids G_{1}, G_{2}, G_{3}
grid G_{2}, G_{3}