Recent questions tagged gate1996-ec

In the given figure, $A_{1}, A_{2}$ and $A_{3}$ are ideal ammeters. If $\mathrm{A}_{2}$ and $\mathrm{A}_{3}$ read $3 \mathrm{~A}$ and $4 \mathrm{~A}$ respectvely, then $A...

In the circuit of the given figure, assume that the diodes are ideal and the meter is an average indicating ammeter. The ammeter will read$0.4 \sqrt{2} \mathrm{~A}$$0.4 \...

The number of independent loops for a network with $n$ nodes and $b$ branches is$n-1$$b-n$$b-n+1$independent of the number of nodes

A lossless transmission line having $50 \; \Omega$ charateristic impedance and lengh $\lambda / 4$ is short circuited at one end and connected to an ideal voltage source ...

The $p$ – type substrate in a conventional $p n$ – junction isolated integrated circuit should be connected tonowhere, i.e. left floatinga $dc$ ground potentialthe most p...

If a transistor is operating with both of its junctions forward biased, but with the collector base forward bias greater than the emitter-base forward bias, then it is op...

The common-emitter short-circuit current gain $\beta$ of a transistoris a monotonically increasing function of the collector current $\mathrm{I}_{\mathrm{C}}$.is a monoto...

A $n$ – channel silicon $\left(E_{g}=1.1 \; \mathrm{eV}\right)$ MOSFET was fabricated using $n+$ poly-silicon gate and the threshold voltage was found to be $1 \mathrm{~V...

The circuit shown in the figure is that ofa non-inverting amplifieran inverting amplifieran oscillatora Schmitt Trigger

Schottky clamping is resorted in $\text{TTL}$ gatesto reduce propagation delayto increase noise marginsto increase packing densityto increase fan-out

A pulse train can be delayed by a finite number of clock periods usinga serial-in serial-out shift registera serial-in parallel-out shift registera parallel-in serial-out...

A $12$ – bit $\text{ADC}$ is operating with a $1 \; \mu \; \mathrm{sec}$ clock period and the total conversion time is seen to be $14 \; \mu \;\mathrm{sec}$. The $\text{A...

The total number of memory accesses involved (inclusive of the $op$ – code fetch) when an $8085$ processor executes the instruction $\text{LDA}$ $2003$ is$1$$2$$3$$4$

The trigonometric Fourier series of an even function of time does not have the$d c$ termcosine termssine termsodd harmonic terms

The Fourier transform of a real-valued time signal hasodd symmetryeven symmetryconjugate symmetryno symmetry

A rectangular pulse of duration $T$ is applied to a filter matched to this input. The output of the filter is arectangular pulse of duration $T$rectangular pulse of durat...

The image channel rejection in a superheterodyne receiver comes from$\text{IF}$ stages only$\text{RF}$ stages onlydetector and $\text{RF}$ stages onlydetector $\text{RF}$...

The capacitance per unit length and the characteristic impedance of a lossless transmission line are $\mathrm{C}$ and $\mathrm{Zo}$ respectively. The velocity of a travel...

A transverse electromagnetic wave with circular polarisation is received by a dipole antenna. Due to polarisation mismatch, the power transfer efficiency from the wave to...

A metal sphere with $1 \mathrm{~m}$ radius and a surface charge density of $10 \; \mathrm{Coulombs / m}^{2}$ is enclosed in a cube of $10 \mathrm{~m}$ side. The total out...

In the circuit shown in the given figure $\mathrm{N}$ is a finite gain amplifier with a gain of $k$, a very large input impedance, and a very low output impedance. The in...

The inverse Laplace transform of the function$\frac{s+5}{(s+1)(s+3)}$ is$2 e^{-t}-e^{-3 t}$$2 e^{-t}+e^{-3 t}$$e^{-t}-2 e^{-3 t}$$e^{-t}+e^{-3 t}$

The voltages $\mathrm{V}_{\mathrm{C} 1}, \mathrm{~V}_{\mathrm{C} 2}$, and $\mathrm{V}_{\mathrm{C} 3}$ across the capacitors in the circuit in the given figure, under stea...

A uniform plane wave in air is normally incident on infinitely thick slab. If the refractive index of the glass slab is $1.5$, then the percentage of incident power that ...

In a bipolar transistor at room temperature, if the emitter current is doubled the voltage across its base-emitter junctiondoubleshalvesincreases by about $20 \; \mathrm{...

An $\text{npn}$ transistor has a beta cut-off frequency $f \beta$ of $1 \; \mathrm{MHz}$, and common emitter short circuit low frequency current gain $\beta \mathrm{O}$ o...

A silicon $n$ $\text{MOSFET}$ has a threshold voltage of $1$ $\mathrm{V}$ and oxide thickness of $\mathrm{AO}$.$\left[\varepsilon_{r}\left(\mathrm{siO}_{2}\right)=3.9, \v...

A Darlington stage is shown in the figure is. If the transconductance of $Q_{1}$ is $g_{m 1}$ and $Q_{2}$ is $g_{m 2}$, then the overall transconductance $g_{m c}\left[\t...

Value of $R$ in the oscillator circuit shown in the given figure, so chosen that it just oscillates at an angular frequency of $\omega$. The value of $\omega$ and the req...

A Zener diode in the circuit shown in the figure is has a knee current of $5 \mathrm{~mA}$, and a maximum allowed power dissipation of $300 \mathrm{~mW}$. What are the mi...