A. R, L and C elements
B. R and L elements
C. R and C elements
D. R only
E. L only
Choose the correct answer from the options given below :
Lag Network Components Identification
A lag network is a type of compensator used in control systems engineering. Its primary function is to introduce a phase lag at specific frequencies, helping to stabilize a system or improve its transient response.
The question asks to identify the constituent elements of a lag network based on the provided options.
Identifying Correct Components
Based on the provided answer, the lag network consists exclusively of the following component:
- Capacitor (C) elements only
While typical practical implementations of lag compensators often use a combination of resistors (R) and capacitors (C) to achieve a specific transfer function, the provided answer isolates the capacitor as the sole component.
Role of Capacitors in Lag Networks
Capacitors are known for introducing phase lag. The impedance of a capacitor ($Z_C$) is given by LaTeX expression $\frac{1}{j\omega C}$, where $\omega$ is the angular frequency. This impedance results in a current that leads the voltage across the capacitor, or conversely, the voltage lags the current. This inherent property makes capacitors crucial elements for creating phase lag effects in compensation circuits.
Exclusion Rationale
According to the given correct answer:
- Resistor (R) elements are excluded.
- Inductor (L) elements are excluded.
This suggests a simplified model or a specific context where only the capacitor's phase-shifting property is considered relevant for the lag network.
Similar Questions
- If $A \in R_{n \times n}$; $\det A=0$, then :
A. A is non singular and the rows and columns of A are linearly independent
B. A is non-singular and the rows and columns of A are linearly dependent
C. A is non-singular and A has one zero rows
D. A is singular
E. A is singular and rows and columns of A are linearly dependent
Choose the correct answer from the options given below : - The matrix equation $AX=0$, represents :
- The greatest rate of increase of $f = xy^{2}z^{3}$ at the point $(0, -1, -2)$ is :
- The derivative of $y = \int_{0}^{\ln x} \sin e^{t} dt$ is :
- If $\lambda = 0$, is an eigen values of A, then $\det(A)$ is :
- If A is a null Matrix, then its rank is :
- Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : If $u = xy f\left(\frac{y}{x}\right)$, then $x \frac{\partial u}{\partial x} + y \frac{\partial u}{\partial y} = 2u$
Reason (R) : Given function u is homogeneous of degree 2 in $x$ and $y$.
In the light of the above statements, choose the most appropriate answer from the options given below : - Solving a second order Differential equation using Laplace transform :
A. Partial fraction expansion
B. Apply initial conditions in Laplace domain
C. Take Laplace transform of differential equation
D. Obtain time domain solution
Choose the correct answer from the options given below : - Determining Eigenvalues of a matrix :
A. Solve the characteristic equation
B. Form matrix $A - \lambda I$
C. Compute determinant
D. Identify eigenvalues
Choose the correct answer from the options given below : - A lead compensating network :
A. Improves response time
B. Stabilizes the system with low phase margin
C. Enables moderate increase in gain without affecting stability
D. Increases the resonant frequency
E. Decreases the resonant frequency
Choose the correct answer from the options given below :
Important Questions from Mixed Topic (CUET PG)
- Who was the founder of Bolshevik Communist party?
- What is the key guide to statecraft in the realist tradition?
- Chronologically arrange the events in the Cold War period.
A. Berlin Wall is constructed
B. Communist China joins the UN
C. Soviet invasion of Czechoslovakia
D. Berlin Blockade
Choose the correct answer from the options given below: Morgenthau's principles of political realism are:
A. Politics is rooted in permanent and unchanging human nature which is basically self centred, self-regarding and self-interested
B. Politics is an autonomous sphere of action and cannot therefore be reduced to morals
C. International Politics is an arena of conflicting self-interests
D. The ethics of international relations is situational ethics which is very different from private morality
Choose the correct answer from the options given below:Who among the following political thinkers consider the anarchical self help system to be a compelling factor for States to maximise their relative power positions?
