Q.1.
Given x (t) = [2 + e-3t] u (t). The final value of x(t) is ___________
- a) 2
- b) 3
- c) e-3t
- d) 0
Q.2.
The Fourier series of the given signal is _______________
- a) -4/π sin x
- b) 4/π sin x
- c) 4/π cos x
- d) -4/π cos x
Q.3.
For the circuit given below, the effective inductance of the circuit across the terminal AB, is ___________
- a) 9 H
- b) 21 H
- c) 11 H
- d) 6 H
Q.4.
For the circuit given below, the inductance measured across the terminals 1 and 2 wasH with open terminals 3 andIt wasH when terminals 3 and 4 were short-circuited. Both the inductors are having inductances 2H. The coefficient of coupling is ______________
- a) 1
- b) 0.707
- c) 0.5
- d) Inderminate due to insufficient data
Q.5.
Q meter operator is the principle of __________
- a) Series resonance
- b) Current resonance
- c) Self-inductance
- d) Eddy currents
Q.6.
The probability cumulative distribution function must be monotone as well as ___________
- a) Increasing
- b) Decreasing
- c) Non-increasing
- d) Non-decreasing
Q.7.
The impedance seen by the source in the circuit is given by __________
- a) (0.54 + j0.313) Ω
- b) (4 – j2) Ω
- c) (4.54 – j1.69) Ω
- d) (4 + j2) Ω
Q.8.
In the circuit given below, the capacitor is initially having a charge ofC. 1 second after the switch is closed, the current in the circuit is ________
- a) 14.7 A
- b) 18.5 A
- c) 40.0 A
- d) 50.0 A
Q.9.
Convolution is used to find ____________
- a) Impulse of an LTI system
- b) Frequency response of an LTI system
- c) Time response of an LTI system
- d) Phase response of an LTI system
Q.10.
The Fourier transform of a rectangular function is ___________
- a) Another rectangular pulse
- b) Triangular pulse
- c) Sinc function
- d) Impulse
Q.11.
The property of Fourier Transform which states that the compression in time domain is equivalent to expansion in the frequency domain is ___________
- a) Duality
- b) Scaling
- c) Time scaling
- d) Frequency shifting
Q.12.
A coil of inductanceH, resistanceΩ is connected as shown in the figure. After the switch S has been in connection with point 1 for a very long time, it is moved to point 2 at t=For the value of R obtained, the time taken for% of the stored energy dissipated is close to?
- a) 0.10 s
- b) 0.15 s
- c) 0.50 s
- d) 1.0 s
Q.13.
The function which has its Fourier transform, Laplace transform, and Z transform unity is __________
- a) Gaussian
- b) Impulse
- c) Sinc
- d) Pulse