List of top Biomedical Engineering Questions

In FET, as $ V_{GS} $ is changed from zero to increasing reverse bias, the value of $ g_m $ is

A shunt regulator utilizing a zener diode with an incremental resistance of $5\,\Omega$ is fed through an $82\,\Omega$ resistor. If the raw supply changes by $1.0\,\text{V}$, what is the corresponding change in the regulated output voltage?

Slew rate of an ideal op-amp is

Higher-order differentiation filter coefficients in Pan Tompkins algorithm is

Stage 2 sleep is defined by the presence of

If the AZTEC coded data is given by $[5, 10, -5, 100, 2, 5, -4, 100]$, the compression ratio obtained for following reconstruction is

The most appropriate sequence of steps in the implementation of Pan-Tompkins algorithm is given by

Which among the below assertions is precise in accordance to the effect of time scaling? A: Inverse relationship exists between the time and frequency domain representation of signal B: A signal must be necessarily limited in time as well as frequency domains

How many complex additions are needed for 16 direct computations in discrete Fourier transform?

A digital signal processing system is described by the expression \[ y(n) = 2x(n) + x(n-1) + 2y(n-1) \] The system is

The ROC of the signal $ x(n) = \delta(n - k), \, k>0 $ is defined as

The auto-correlation function of a rectangular pulse of duration $ T $ is

Which of the following statements is correct?

[I.] All periodic signals are energy signals while aperiodic signals are power signals
[II.] Periodic signals have finite and non-zero average power
[III.] Both periodic and aperiodic signals have infinite power and energy
[IV.] All periodic signals are power signals while aperiodic signals are energy signals

The Laplace transform of $ u(t) $ and its ROC is given as

The input $ x(t) $ is related to its output $ y(t) $ as: $ \frac{dy(t)}{dt} + y(t) = 3x(t - 3)u(t - 3) $. Here $ u(t) $ represents a step function. The transfer function of this system is

The overall impulse response of the system shown in figure is given by (Block diagram provided: Input $X(n)$ splits. One path goes to $h_1[n]$, another to $h_2[n]$. The outputs of $h_1[n]$ and $h_2[n]$ are subtracted. This result is convolved with $h_3[n]$. Separately, $X(n)$ also goes to $h_5[n]$. The output of $h_3[n]$ and $h_5[n]$ are subtracted. This result is convolved with $h_4[n]$ to produce $y(n)$.)

Consider two signals $x(n)=\{0,1,1,2\}$ and $h(n)=\{a,b,c\}$. The signal $y(n)=x(n)\otimes h(n)$. The DFT of $y(n)$ is given as $Y(e^{j\omega})$. If $Y(e^{j0})$ is 36, then which of the following relation is correct?

A band-limited signal with a maximum frequency of 5 kHz is to be sampled. According to the sampling theorem, the sampling frequency which is not valid is

In a network maximum power transfer occurs when

Norton's theorem is true for

Calculate $V_{th}$ for the given circuit.

Nodal analysis is generally used to determine

Find the value of $V$ when the current in the 3 $\Omega$ resistor is 0. (Circuit diagram provided: A circuit with two voltage sources, 5V and V, and several resistors: 1$\Omega$, 2$\Omega$, 3$\Omega$, 4$\Omega$, 5$\Omega$. The 1$\Omega$ and 3$\Omega$ resistors are in the top branch. The 2$\Omega$ and 4$\Omega$ resistors are in parallel branches.)

For a voltage source to be neglected, the terminals across the source should be

Which law states that the current flowing into junction must be equal to the current flowing out of it?