Govt Exams Mock Test FREE | Online Quiz Competition

Q1. What is value of current in given circuit?

25A

50A

70A

80A

Q2. The effective impedance of a series RLC circuit under resonance is equal to ______.

Resistance

Inductive reactance

Capacitive reactance

Either b or c

Q3. Lenz's law states that the direction of the induced emf hence current

is determined by the rate of current flux.

is found by the right hand rule.

is found by the left hand rule.

always opposes the cause producing it.

Q4. A Tesla coil is a

Cascaded transformer

Coreless transformer

High frequency resonant transformer

Low impedance transformer

Q5. As temp. increases, the resistance value also increases in

Conductor

Insulator

Semiconductor

All of above

Q6. Maximum temperature limit for class B insulation is

\(105^\circ\:C\)

\(120^\circ\:C\)

\(130^\circ\:C\)

\(155^\circ\:C\)

Q7. \(G(s) = \frac{50}{s (1+0.25s) (1+0.1s)}\), the corner frequencies are

\(50\: Hz\)

\(0.25\: \& \:0.1\: \frac{rad}{sec}\)

\(4\: \& \:10\: \frac{rad}{sec}\)

\(0\: Hz\)

Q8. Feedback oscillations have a closed loop gain of (where G, H are gain of forward and feedback path)

\(\frac{G}{1 – GH}\)

\(\frac{G}{1 + GH}\)

\(\frac{G}{1 \pm GH}\)

\(\frac{H}{1 + GH}\)

Q9. The transfer function \(\frac{Y(s)}{U(s)}\) of a system described by the state equations,
\(\frac{dx}{dt}=-2x+2u\) and \(y(t) = 0.5x\) is:

\(\frac{0.5}{(s-2)}\)

\(\frac{1}{(s-2)}\)

\(\frac{0.5}{(s+2)}\)

\(\frac{1}{(s+2)}\)

Q10. The unit circle of the Nyquist plot transforms into 0 db line of the amplitude plot of the Bode diagram at

0

Low frequency

Any frequency

High frequency

Quiz

Year 2025

January
Week # 1 Quiz 3

Q1. What is value of current in given circuit?

Q2. The effective impedance of a series RLC circuit under resonance is equal to ______.

Q3. Lenz's law states that the direction of the induced emf hence current

Q4. A Tesla coil is a

Q5. As temp. increases, the resistance value also increases in

Q6. Maximum temperature limit for class B insulation is

Q7. \(G(s) = \frac{50}{s (1+0.25s) (1+0.1s)}\), the corner frequencies are

Q8. Feedback oscillations have a closed loop gain of (where G, H are gain of forward and feedback path)

Q9. The transfer function \(\frac{Y(s)}{U(s)}\) of a system described by the state equations,
\(\frac{dx}{dt}=-2x+2u\) and \(y(t) = 0.5x\) is:

Q10. The unit circle of the Nyquist plot transforms into 0 db line of the amplitude plot of the Bode diagram at

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

January Week # 1 Quiz 3

Q1. What is value of current in given circuit?

Q2. The effective impedance of a series RLC circuit under resonance is equal to ______.

Q3. Lenz's law states that the direction of the induced emf hence current

Q4. A Tesla coil is a

Q5. As temp. increases, the resistance value also increases in

Q6. Maximum temperature limit for class B insulation is

Q7. \(G(s) = \frac{50}{s (1+0.25s) (1+0.1s)}\), the corner frequencies are

Q8. Feedback oscillations have a closed loop gain of (where G, H are gain of forward and feedback path)

Q9. The transfer function \(\frac{Y(s)}{U(s)}\) of a system described by the state equations, \(\frac{dx}{dt}=-2x+2u\) and \(y(t) = 0.5x\) is:

Q10. The unit circle of the Nyquist plot transforms into 0 db line of the amplitude plot of the Bode diagram at

Record & Track Your Performance

January
Week # 1 Quiz 3

Q9. The transfer function \(\frac{Y(s)}{U(s)}\) of a system described by the state equations,
\(\frac{dx}{dt}=-2x+2u\) and \(y(t) = 0.5x\) is: