65351. Which subject was known as Queen of Sciences during the middle ages?
65352. Assertion (A): The wave shown in the given figure does not contain the dc component and even harmonics
Reason (R): If f(- t) = f(t) the wave has only cosine terms.
65353. Who won two times hatric in one-day Cricket?
65354. The function δ'(t - b) is a unit doublet.
65355. If £ f(t) = F(jω), then
65356. The value of P(2 < x < 3) in function f(x) = K(x - 1) for K = 1 < x < 4 is
65357. Assertion (A): For the determinant the minor for
a11 is
Reason (R): The minor of any element of a determinant ajk is the determinant which remains when the row and column corresponding to ajk are deleted.
65358. The inverse response of a system h(n) = an∪(n) what is the condition for the system to be BIBO stable?
65359. A system has poles at 0.01 Hz, 1 Hz and 80 Hz, zeros at 5 Hz, 100 Hz and 200 Hz. The approximate phase of the system response at 20 Hz is
65360. Fourier transform of sgn (t) is
65361. If the number of ways an event may result ins analysed into m successes and n failures, each equally likely to occur, the probability of success in a single trial is m( m + n)
65362. Choose the one which best expresses the meaning of the given word: Predict?
65363. Which one is correct option about ROC?
65364. Assertion (A): The scalling theroem in Laplace transform relates the scale changes in s domain to the consequent changes in t domain.Reason (R): If
65365. The integral of a unit impulse is unit step function.
65366. If X(z) = (1 - a z-1)-1 and |a | < |z|, the initial value x0 = 0
65367. Assertion (A): The exponential form of Fourierseries is
Reason (R): If f(t) is an even function, the coefficients Fn are real.
65368. The chairman of the Tenth Finance Commission is :?
65369. If X(z) = (1 - a)z-1/[(1 - z-1)(1 - az-1)] and 1 < |z|, the final value of xk is
65370. In the given figure f(t) is an even function.
65371. Final value theorem is used to find
65372. Which one of following is correct condition to check the stability of sysytem in terms of impulse response?
65373. The term nishka, which meant an ornament in the Vedic period, was used in later times to denote a/an?
65374. which of the following is not true for impulse function δ(t)?
65375. In the given figure the phase angle of Fn is either 0 or Π.
65376. The signal m(t) = 10 cos 100 p t is sampled at the rate of Fs = 75 Hz, then determine signal after sampling.
65377. The tree selected for the formation of state equations contains
65378. If F(jω) is the Fourier transform of f(t), then
65379. Assertion (A): Heaviside partial expansion gives a simple procedure to find inverse Laplace transform of the terms having a complex conjugate pair of roots.Reason (R): If I(s) = P(s)/Q(s) and all roots of Q(s) = 0 are simple, i(t) will have terms with exponentials having real exponents only.
65380. An impulse train is
65381. For formation of state equations, the inductors and current sources
65382. If f(t) = 1, F(jω) =
65383. The power in the signal s(t) = 8 cos (20 p - p /2) + 4 sin (15 p t) is
65384. Radio was invented by:?
65385. If f(t) ↔ F(jω), f(- t) ↔
65386. Assertion (A): Transient analysis uses Laplace transformation.Reason (R): Laplace transform method is suitable for solution of integro differential equations.
65387. The minor Mij of an n x n matrix is the determinant of (n - 1) x (n - 1) matrix formed by deleting the ith row and j the column of n x n matrix.
65388. The peak factor is
65389. Assertion (A): A half cycle of sine wave can be expressed as sum of sine wave and another sine wave shifted by T/2 where T is the time period.Reason (R): The function u(t - t0) - u(t - t0 - T) is a gate function occuring at t = t0 and of duration T.
65390. If xk = a k and k ≥ 0
X(z) = (1 - a z-1)-1 with |a | < |z|
65391. The function δ' (t-b) is
65392. When was the steam engine .........?
65393. The Z inverse of the given Z transform is
65394. To plot frequency spectrum we draw two graphs viz |Fn| versus frequency and φn versus frequency.
65395. If f(t) is an even function, the coefficients Fn in the exponential form of Fourier series
65396. In Laplace transforms s = σ + jω. Which of the following represents true natue of s. Select your answer using the given codes σ has a damping effectσ is responsible for convergence of integral f(t)e-st dt
σ has a value less than zero Codes:
65397. Assertion (A): If Reason (R): Displacement in time domain by T becomes multiplication by e-st in s domain.
65398. Assertion (A): Standard deviation is the abscissa of a point of inflection on the probability curve.Reason (R): The equation for probability curve is
65399. If f(t) and F(jω) form a transform pair, then as per symmetry in Fourier transforms