A parallel plate capacitor has surface density of rs C/m2. The dielectric inside capacitor is air. The electric field intensities outside and inside the capacitor are
The counter shown in figure is built using 4 negative edge triggered toggle FFs. The FFs can be set synchronously when R =The combinational logic required to realize a modulocounter is
The magnitude plot of a composite signal x(t) = e3jt + e4jt is __________ .
A signal with ±V ranged and 1 KHz band width is being digitized using a sample and hold circuit and abit quantizer. The quantization step is :
VR at t < T, t = ∞
Find current i.
Assuming the OP-AMP to be ideal, the voltage gain of the amplifier shown in figure is
In x = the value of x is
When x(n) is real then the Fourier series coefficients are correlated as __________ .
Using 4-bit numbers (n =if k = 00112, how is k expressed in 2's complement?
The Nyquist sampling interval, for the signal sine (700t) + sine (500t) is
Which of the following capabilities are available in a Universal Shift Register?
The system which is unstable 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?
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.
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 :
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