Which of the following photodetector does not provide gain?

A 2 bit binary multiplier can be implemented using

The materials not having negative temperature coefficient of resistivity are

Inmicroprocessor, the interrupt enable flip-flop is reset by

With which decoder it is possible to obtain many code conversions?

What are the minimum number of 2 to 1 multiplexers required to generate a 2 input AND gate a 2 input Ex-OR gate?

Which of the following stages has no phase inversion of the signal?

Which of the following flip-flop is used as a latch?

Consider the following statements:
The klystron and travelling wave tube differ from each other,

1. In TWT the microwave circuit is non- resonant.
2. In klystron the microwave circuit is resonant.
3. TWT uses attenuator.
4. The wave is TWT is a non-propagating wave.

Which of the above statements are correct?

Manganin, an alloy of copper and manganese, is used in

If (10)_x x (10)_x = (100)_x; (100)_x x (100)_x = (10000)_x then x can take value :

Multiple member of antennas are arranged in arrays in order to enhance what property?

Which of the following transducers is most suitable for monitoring continuous variations in very fine thickness of a material?

The characteristic equation of a control system is given as s⁴ + 8s³ + 24s² + 32s + K =What is the range of values of K for this system to be stable?

On which bands, do the optical fibers operate?

1. Ultra violet band
2. Ultra high frequency band
3. Visible light band
4. Infrared band

Select the correct answer from the codes given below:

If a two-port network is reciprocal as well as symmetrical, which one of the following relationships is correct?

What is the characteristic of a good control system?

What will be equipotential surfaces for a pair of equal and opposite line charges?

The 4 point Discrete Fourier Transform (DFT) of a discrete time sequence {is

The following components are used to measure power output of a 2 kW TWT amplifier:

1. TWTA
2. Low pass/high pass filter
3. dB attenuator
4. dB directional complex with matched load
5. Power load

What is the correct sequence of connection of these components?

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.

Select the correct answer from the codes given below:

With regard to a transmission line, which of the following statements is correct?

Which of the following antenna is obtained by modifying a waveguide?

What is the minimum value of VSWR that may exist on a transmission line?

Assertion (A): For same drain current rating N-channel MOSFET occupies more area than p-channel MOSFET.

Reason (R): Electron mobility is much higher than hole mobility.

A memory system of sizeK bytes is required to be designed using memory chips havingaddress lines and 4 data lines-each. The number of such chips required to design and the memory system is :

The antenna most commonly used for TV broadcasting in the UHF band is

In a uniformly doped BJT, assume that N_E, N_B and N_C are the emitter, base and collector dopings in atoms/cm³, respectively. If the emitter injection efficiency of the BJT is close unity, which one of the following conditions is TRUE?

Consider the following statements about ultrasonic flow meters:

1. The measurement in insensitive to viscosity, pressure and temperature variations.
2. It has bidirectional measuring capability and can be used for any pipe size.
3. It has a relatively lower cost.
4. It has good accuracy, fast response and wide frequency range.

Which of the above statements is/are correct?

Which of the following materials in not an insulator?

Ferromagnetic materials show hysteresis in B - H characteristic. As the magnetic field in increased slowly from zero value, what is the first process which sets the material to give net magnetization?

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

Consider the following statements regarding sources or error in a Q-meter:

1. If a coil with resistance R is connected in direct measurement mode and if the residual resistance of Q-meter is 0.1 R, then the measure Q of the coil would be 1.1 times the actual Q.
2. If the inductance to be measured is less than 0.1 mH, the error due to presence of residual inductance cannot be neglected.
3. The presence of distributed capacitance in a coil modifies the effective Q of the coil.

Which of the above statements are correct?

An amplitude modulated signal occupies a frequency range fromkHz tokHz. If can be demodulated by which of the following?

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

Which of the following quantities cannot be measured/determined using Hall effect?

Which one of the following pairs is not correctly matched?

What does a link budget for satellite communication include?

Which one of the following materials is used for making permanent magnets?

What happens when a paramagnetic material is heated above Curie temperature?

The number of essential prime implicant for the logic expression
F = ABC + C D A + CDA + ABC + BD

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

Which one of the following pairs is not correctly matched?

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.

Select the correct answer from the codes given below:

Period of the signal is:

Which of the following materials in not an insulator?

Consider the following statements regarding sources or error in a Q-meter:

1. If a coil with resistance R is connected in direct measurement mode and if the residual resistance of Q-meter is 0.1 R, then the measure Q of the coil would be 1.1 times the actual Q.
2. If the inductance to be measured is less than 0.1 mH, the error due to presence of residual inductance cannot be neglected.
3. The presence of distributed capacitance in a coil modifies the effective Q of the coil.

Which of the above statements are correct?

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?

The number of essential prime implicant for the logic expression
F = ABC + C D A + CDA + ABC + BD