List of practice Questions

The current through a series RL circuit is \( \frac{1}{4} e^{-\frac{3}{4} t} \) when excited by a unit impulse voltage. The values of R and L are respectively
If \( E_p \) (Fermi energy level) \(>E_f \) (intrinsic Fermi energy level), then the type of semiconductor is
Which process of the Electron-hole pair is responsible for emitting of light?
In MOSFET fabrication, the channel length is defined during the process of
The mesh current method
(I) Works with both planar and non-planar circuits
(II) Uses Kirchhoff’s voltage law
Which of the above is correct?
If there are 5 branches and 4 nodes in the graph, then the number of mesh equations that can be formed are?
The current waveform \(i(t)\) in a pure resistor of 20 \( \Omega \) is as shown in the figure below, then the power dissipated in the resistor is
waveform i(t) in a pure resistor of 20 Ω
In the following figure, \(C_1\) and \(C_2\) are ideal capacitors. \(C_1\) has been charged to 12V before the ideal switch \(S\) is closed at \(t = 0\). The current \(i(t)\) for all \(t\) is
C1 and C2 are ideal capacitors. C1
Among the four networks, N1, N2, N3, and N4, given in the following figure, the networks having identical driving point function are
four networks, N1, N2, N3, and N4,
The 2-port admittance matrix of the circuit shown is given by
2-port admittance matrix
Identify the Y equivalent of a network of the circuit shown in Figure below.
The acidity of the compounds shown below
The acidity of the compounds
follows the order
The free energy changes at equilibrium is
For a spontaneous process
Entropy is a measure of
Lead-free solders are made with
Which is the most weldable of all metals?
The formation of corrosion retarding films on metal surfaces is known as
Example of a sacrificial anode which is used in the protection of underground pipelines is
Enthalpy "H" is defined as
The main cause to exist congruent melting alloys in a given isomorphous system is
Degrees of freedom at triple point will be
Which of the following employs a bottom blowing operation?
In Basic steel making process, ____ slag is prepared to remove the impurities
Killing of the steel bath is aimed to remove ____ .