Q. Laplace transform function f (t) is F(S), then how will you represent Laplace transform for differential of f (t)?

View solution

Q. How will you obtain a given function from unit step signals?

f (t) = 1 for -1≤t≤1
0 otherwise

View solution

Q. Which of the following function is represented using a given condition?

f (t) = 1 for t=0
0 otherwise

View solution

Q. What is the result of the expression f(t)= u (t+2) – u (t-3)?

View solution

Q. Transfer function of a system is given by 1/S. If system has a step input, what will be the output in time domain?(Function exist only for positive time value)

View solution

Q. Function f (t) has Laplace transform F(S). How will you represent Laplace transform of integral of f(t)?

View solution

Q. Which of the following represents Laplace transform of sinh(at)?

View solution

Q. Which of the following can be a source of supply in dc power supplies?

View solution

Q. Which of the application’s filters used for?

View solution

Q. Which of the following represent a change of output voltage when load current is increased?

View solution

Q. Which of the following generate output voltage much closer to true value?

View solution

Q. Why zener diodes are provided in dc supply?

View solution

Q. Stability of output voltage is entirely depended on ______________

View solution

Q. For excellent stability, the zener diode is kept in temperature controlled casket.

View solution

Q. For instrumentation system, precision variable voltage-reference system is necessary.

View solution

Q. Which of the following can be used as a comparator?

View solution

Q. Which of the following are not the standard value of Zener diodes?

View solution

Q. Which of the following signals are generated by Wien-bridge oscillators?

View solution

Q. In a Wien-bridge oscillator for obtaining 160Hz frequency output what will be the capacitor value if resistance is selected as 1KΩ?

View solution

Q. In a Wien-bridge oscillator, frequency of oscillation and capacitor value have ____________________

View solution