65101. A 1 kHz sinusoidal signal is ideally sampled at 1500 samples/sec and the sampled signal is passed through an ideal low pass filter with cut off frequency 800 Hz. The output signal has the frequency.
65102. If autocorrelation sequence is Rc(n) = then what will be energy of sequence?
65103. Fourier transform of an external exponential ejW0t
65104. If i = 10 + 12 cos 500t - 3.5 sin 500 t, then in amplitude phasse form i =
65105. The real part of complex frequency s corresponds to oscillations.
65106. A unit step function is used to represent the closing a switch in a constant voltage system.
65107. A voltage v = 100 sin ωt + 10 sin 5 ωt is applied to a pure capacitor having capacitance of 1 μF. If ω = 314 rad/sec, the current through the capacitor is
65108. If then system is
65109. A pulse function having magnitude E and duration from t = 0 to t = a can be represented as
65110. If , f(t) =
65111. If I(s) = , initial value of i(t) is
65112. The DTFT of x(n) = δ(n) will be
65113. A rectangular pulse is passed through an L.P.F. The response is a
65114. Consider z transform of a signal as given below
then the response will be
65115. The eigen values of matrix are
65116. Assertion (A): If , the final value of i(t) is 2AReason (R): As per final value theroem
65117. A signal f(t) = cos 10p t + 3 cos 4p t is instantaneously sampled. The maximum allowable value of sampling interval Ts in sec is
65118. The Information Kerala Mission started in?
65119. Assertion (A): The rms value of v = 1 + sin ωt is 1.5 Reason (R): If i = I0 + I1m sin ω1t + I3m sin 3ω1t, then
65120. The exponential form of Fourier series is
65121. Principle of superposition is applicable to
65122. The range of value "a" for which system will be stable. If impulse response of DT system is = an ∪[n]
65123. Laplace transform of unit doublet is
65124. The temperature in degree centigrade for human comfort is:
65125. Highest value of autocorrelation function 100 sin 50 p t is
65126. A unit impulse voltage is applied to an inductance at t = 0. The current at t = 0 will be
65127. A voltage wave containing 10% third harmonic is applied to a scries R-L circuit. The percentage third harmonic content in the current wave will be
65128. Birth place of Mahatma Gandhi?
65129. check the following system for causality y[n] = x[n] + 2x[n - 1]y[n] = x[n - k]y[n] = x[2n]
65130. If the system transfer function of a discrete time system then system is
65131. Two rectangular waveforms of duration t1 and t2 seconds are convolved. What is the shape of the resulting waveform?
65132. The function Ae(s + jω)t represens a rotating phasor having a magnitude increasing with time.
65133. If f1(t)<< F1(jω) and f2(t)↔ F2(jω), then [a1 f1(t) + a2f2(t)]↔
65134. The signal x(t) = A cos (ω0t + φ) is
65135. The inverse Fourier transform of δ(t) is
65136. Which one of the following is the correct statement of the system characterized by the equation y(t) = ax(t) + b?
65137. Paley Wiener criterion for designing of filter is
65138. If δ(t) denotes a unit impulse, Laplace transform of is
65139. The function (sin x)/x
65140. Which of the following represents a stable system? Impulse response decreases exponentially.Area within the impulse response in finite.Eigen values of the system are positive and real.Roots of the characteristic equation of the system are real and positive. Select the answer using the following codes:
65141. The contribution of agriculture to India's economy is?
65142. Auto correlation for t = 0 is equal to
65143. For an ac sinusoidal wave, the rms value is 10 A. For the same wave delayed by 60° in each half cycle, the rms value is likely to be
65144. It f(t) is an odd function, the coefficients Fn in the exponential form of Fourier series
65145. Which of the following features of architecture of ancient India was tkane for buildings constructed during the period of Sultanate of Delhi?
65146. The response of a linea, time invariant discrete time system to a unit step input ∪(n) is the unit impulse δ(n). The system response to a ramp input n ∪(n) would be
65147. The impulse response h[n] of a linear time invariant system is given as
If the input to the above system is the sequence ejp n/4, then the output is
65148. For the signum function sgn(t), F(jω) =
65149. In the periodic train of rectangular pulses F0 = (V0/T)d