Govt Exams Mock Test FREE | Online Quiz Competition

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

increase because of stray capacitance as the frequency increases

decreases because of stray capacitance

remains same with the presence of stray capacitance

no - one of the above

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.

\(15\times10^7\frac{AT}{Wb}\)

\(37.5\times10^7\frac{AT}{Wb}\)

\(3.75\times10^7\frac{AT}{Wb}\)

\(7.5\times10^7\frac{AT}{Wb}\)

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

small and negative

large and positive

small and positive

equal to zero

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

\(\frac{joule}{coulomb}\)

\(\frac{joule}{second}\)

\(\frac{watt}{coulomb}\)

\(\frac{second}{coulomb}\)

Q5. For AC power measurement watts =

\(volts \times amps \times PF\)

\(\frac{volts}{amps } \times PF\)

\(volts+amps\)

None of the above

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

\(\frac{200}{\sqrt2}\sin 50 t\:V\)

\(200\sin 100\pi t\:V\)

\(100\sin 100\pi t\:V\)

\(\frac{200}{\sqrt2}\sin100\pi t\:V\)

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

An Unstable System

An Uncontrollable System

A Minimum Phase System

A Non-Minimum Phase System

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

Stable

Marginally stable

Unstable

Oscillatory

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?

4 second

10 second

0.4 second

40 second

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

Stable and of the non-minimum phase type

Stable and of the minimum phase type

unstable and of the minimum phase type

unstable and of the non-minimum phase type

Quiz

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

Quiz

Year 2025

December Week # 3 Expire on 14 Jan 2025

December Week # 4 Expire on 21 Jan 2025

January Week # 1 Expire on 31 Jan 2025

January Week # 2 Expire on 07 Feb 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

Record & Track Your Performance

December
Week # 1 Quiz 3

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