Which of the following is a microwave source with a 'cross-field' structure?

Following one is moving average system __________ .

Which of the following conditions should be satisfied to call an astable multivibrator circuit using discrete components as a digital circuit?

1. A flip-flop is always a digital circuit.
2. Only when we assign 1 and 0 to the high and low levels of the output, a flip-flop is called a digital circuit.
3. Only if the power, supply voltage is maintained at + 5 V or - 5 V, it is called a digital circuit.
4. Only if it is in IC form, following the technology of IC manufacture, it is called a digital circuit.

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Which of the following does not apply to Yagi-Uda antenna

Which of the following does not apply to Yagi-Uda antenna

How many roots with positive real parts do the equation s³ + s² - s + 1 = 0 have?

How many roots with positive real parts do the equation s³ + s² - s + 1 = 0 have?

In the graph shown in the figure, for the tree with branches b, d and f the fundamental loops would include c

Following one is moving average system __________ .

Which of the following does not apply to Yagi-Uda antenna

Period of the signal is:

In the graph shown in the figure, for the tree with branches b, d and f the fundamental loops would include c

In the graph shown in the figure, for the tree with branches b, d and f the fundamental loops would include c

Following one is moving average system __________ .

Period of the signal is:

A silicon wafer hasnm of oxide it and is inserted in a furnace at a temperature above 1000°C for further oxidation in dry oxygen. The oxidation rate

When a vector has positive divergence, it indicates that the vector quantity has at that point and if the divergence is negative, it indicates __________ .

It is very likely in __________ gate family that when one gate is driving number of gates in __________ , a gate having least voltage for saturation may consume large __________ leaving other gates inoperative and this phenomenon is called __________ .

Which of the following does not cause losses in optical fibre cables?

A function of one of more variables which conveys information on the nature of physical phenomenon is called

Which of the following counters can be used to divide the clock frequency of a microprocessor by 5?

Which of the following introduces mode partition noise?

Consider the transmission line of length 37.5 cm, which is terminated into zero resistance. This line is being exited by a source of 1 GHz which has an internal impedance ofΩ. What is the input impedance of the line as seen by the source?

In an n-type silicon crystal at room temperature, which of the following can have a concentration of 4 x 10¹⁹ cm^-3?

Determine the correctness or otherwise of the following Assertion [a] and the Reason [r].
Assertion : FETs are more suitable at the input stages compared to BJTs
Reason: A FET has lower output impedance than a BJT.

What are the ultimate purpose of minimizing logic expressions?

1. To get small size expression.
2. To reduce the number of variables in the given expression.
3. To implement the function of the logic expression with least hardware.
4. To reduce the expression for making it feasible for hardware implementation.

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What is an advantage of an electronic voltmeter over a non-electronic voltmeter?

Signal flow graph is used to find :

Consider the following:

1. Distortion
2. Gain
3. Bias stabilization
4. Sensitivity
5. Frequency response

Which of these properties of the power amplifier one should concentrate upon while designing a good power amplifier circuit?

Poynting vector is associated with

In the epitaxial diffused method of fabricating integrating circuits the process involved are __________

1. Epitaxial growth
2. Diffusion
3. Silicon diode growth
4. Vacuum evaporation of aluminium
5. Photoetching

The correct order is

A divide bycounters can be realized by using

Which of the following devices is used in the microprocessors?

Radiation efficiency of an antenna is defined as the ratio of

Which of the following circuits come under the class of sequential logic circuits?

1. Full adder
2. Full subtractor
3. Half adder
4. J-K flip-flop
5. Counter

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Foster Seeley discriminator uses a

Consider the following statements:
For a square waveguide of cross-sectionxit has been found

1. At 6 GHz dominant mode will propagate
2. At 4 GHz only dominant modes and evanescent
3. AtGHz all the modes and no higher order mode will propagate
4. At 7 GHz degenerate modes will propagate

Which of the above statements are correct?

The reflection coefficient on am long transmission line has a phase angle of - 150°. If the operating wavelength ism, what will be the number of voltage maxima on the line?

A function is given f(t) = sin²t + cos²t. Which of the following is true?

Assertion (A): Capacitance of a solid conducting spherical body of radius 'a' is given by 4 pε₀a in free space.

Reason (R): Δ x H = jωεE + J.

Which of the following uses 'transferred electron effect' for production of microwaves?

Which of the following statements is/are true for the diamond structure?

1. Coordination number is four.
2. Packing fraction is 0.34
3. Copper crystallizes into diamond structure
4. Lattice is FCC.

Which one of the following is a trivalent material?

For a standard 2nd order system the maximum overshoot isto an unit step input. If the magnitude of the input is doubled, then maximum overshoot and percentage of maximum overshoot is:

The process of extension of a single-crystal surface by growing a film in such a way that the added atoms form a continuation of the single-crystal structure is called

Consider the following statements:
In the case of space wave propagation, the signal strength at the receiver is

1. Directly proportional to transmitter and receiver heights.
2. Inversely proportional to distance between transmitter and receiver.
3. Directly proportional to frequency.

Which of the above statements is/are correct?

Which of the following factors are responsible to design IC logic gates to operated at a fixed supply voltage of 5 volts?

1. Low heating of IC logic gates
2. Compatibility with other logic gates
3. Satisfactory and safe operation
4. Standardization from IC manufacturing point of view.

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Which of the following measurements can be done using a counter?

1. Pulse duration
2. Interval between two pulses
3. Amplitude of the pulse
4. Rise time of a pulse

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Assertion (A): The line integral of B about a closed contour, in a region containing steady current, is μ₀ times the total net current, following through the contour of integration.

Reason (R): The curl of B is equal to μ₀ times the current density vector J

Which of the transistor models is most preferred for the analysis of a transistor circuit both at mid-band and at high frequencies?