Quiz

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Year 2025

December
Week # 1 Quiz 3

Q1. As the frequency increases the effective reactance of an inductive coil

Q2. A coil having 500 turns is coupled with a coil having 1500 turn. If the mutual inductance between them is 5 mH, then find the reluctance of the magnetic circuit.

Q3. The magnetic susceptibility of a ferro-magnetic material is

Q4. Which of the following is equal to 1 volt?

Q5. For AC power measurement watts =

Q6. Write the mathematical expression for a sinusoidal voltage having peak value of 200 V and frequency of 50 Hz.

Q7. If the closed-loop transfer function of a control system is given below.

\(T(s) = \frac{(s-5)}{(s+2)(s+3)}\)

The system is

Q8. The Nyquist plot for a control system encircles the critical point at (-1, j0). What can be concluded about the system's stability?

Q9. For a second order system, natural frequency of oscillation is 10 rad/s and damping ratio is 0.1. What is the 2% settling time?

Q10. An Open loop Control System, represented by the transfer function \(G(s) = \frac{(s-1)}{(s+2)(s+3)}\), is