List of top Instrumentation Engineering Questions on Analog Electronics asked in TS PGECET

If each stage of a three-stage amplifier has a gain of \(10\), the overall gain in dB is

Compared to a single-stage amplifier, a multi-stage amplifier generally has

Negative feedback in amplifiers results in

A full-wave rectifier has a peak voltage of \(100\,\text{V}\). The average output voltage is

A CE amplifier has \(h_{fe}=100\) and load resistance \(R_L=2\,\text{k}\Omega\). The approximate low-frequency current gain is

A silicon diode has a forward voltage drop of \(0.7\ \mathrm{V}\). If it is connected in series with a \(1\,\mathrm{k}\Omega\) resistor to a \(5\ \mathrm{V}\) supply, then the forward current is

A BJT has \(\beta=100\). If the base current is \(40\,\mu\mathrm{A}\), then the collector current is

A JFET has \(I_{DSS}=10\,\text{mA}\) and pinch-off voltage \(V_P=-4\,\text{V}\). If \(V_{GS}=-3\,\text{V}\), find the value of \(I_D\)?

In the saturation region of a MOSFET, the drain current is primarily controlled by

For the given circuit, the diode \( D \) is ideal. The power dissipated by the \( 300\ \Omega \) resistor is:

For the RC circuit shown, the condition for obtaining \( \left|\frac{V_0}{V_{\text{in}}}\right| = \frac{1}{3} \) at frequency \( \omega \) rad/sec is:

The OPAMP shown in the figure is:

Match amplifier class with its conduction cycle:

The potential difference between the input terminals of an op-amp can be treated as nearly zero if:

In a sample and hold circuit with two buffers, one at input and the other at output, the primary requirement for both buffers is:

The operational amplifier uses differential input stage with a constant current source mainly to obtain:

The input resistance of the op-amp circuit shown is:

In which of the following applications is the operational amplifier used in **nonlinear mode**?

For a single-stage BJT common base amplifier:

If both the junctions of a transistor are forward biased, then it will be in:

The common collector transistor configuration has the following property:

An ideal op-amp has the characteristic of an ideal:

The output voltage \(V_o\) of the circuit is:

A forward-biased silicon diode has a voltage drop of 0.64 V at negligible current. When the current is 1 A and it dissipates 1 W, the ON resistance of the diode is:

In the circuit shown, the ideality factor \( \eta \) of the diode is unity and the voltage drop across it is 0.7 V. The dynamic resistance of the diode at room temperature is approximately: