Find current i.
The Nyquist sampling interval, for the signal sine (700t) + sine (500t) is
Assuming the OP-AMP to be ideal, the voltage gain of the amplifier shown in figure is
A series RLC circuit has a resonance frequency of 1 kHz and a quality factor Q =If each of R, L and C is doubled from its original value, the new Q of the circuit is
Which of the following antennas uses a number of varying length parallel elements?
The system which is unstable is __________ .
VR at t < T, t = ∞
Consider a silicon p-n junction at room temperature having the following parameters:Doping on the n-side = 1 x 1017 cm-3Depletion width on the n-side = 0.1 μmDepletion width on the p-side = 1.0 μmIntrinsic carrier concentration = 1.4 x 1014F. cm-1.Thermal voltage = 26mVPermittivity of free space = 8.x 10-14F. cm-1.Dielectric constant of silicon =A built in potential of the junction.
Which of the following capabilities are available in a Universal Shift Register?
For a Hertz dipole antenna, the Half Power Beam Width (HPBW) in the E-plane is
Consider the following, logic diagram :The count sequence of the above logic diagram is :
The silicon sample with unit cross-sectional area shown below is in thermal equilibrium. The following information is given: T =K, electronic charge = 1.6 x 10-19C, thermal voltage = 26mV and electron mobility =cm2/V-sThe magnitude of the electric field at x = 0.5 μm is
Laplace transform of unit triplet function is __________ .
Consider two independent random variables x and y with identical distributions. The variables X and Y take1 and2 with probabilities and respectively. What is the conditional probability P(X + Y =X - Y = 0)?
A 2 μF capacitor is shunted by a 1 kΩ maintained at temperatureK. The rms noise voltage across the capacitor over the entire frequency band is:
The input impedance of figure given below is
The range of memory location in given memory interfacing scheme is
Which of the following is not a conducting material?
Which of the following can be used as a tachogenerator in control systems?
An audio signal is to be transmitted digitally. Which is the system best suited for good fidelity?
Which of the following is true?
The dominant mode in a rectangular wave-guide is
The pre-emphasis in FM aids in providing extra noise immunity by
Consider the following statements:
At room temperature, a possible value for the mobility of electrons in the inversion layer of a silicon n-channel MOSFET is
The full form of the abbreviations TTL and CMOS in reference to logic families are
A standard waveguide W Rhas inside wall dimensions of a = 2.cm and b = 1.cm. What is the cut-off wavelength for TE01 mode?
In a network with twelve circuit elements and five nodes, what is the minimum number of mesh equations?
The resolution of a DAC depends on which of the following?
In which one of the following types of analog to digital converts the conversion time is practically independent of the amplitude of the analog signal?
Which of the following oscillators is used for the generation of high frequencies?
Consider the following:
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