ECE :: Exam Questions Paper
-
If the scattering matrix [S] of a two port network is
then the network is -
Consider the frequency modulated signal 10 cos (2p x 105t + 5 sin (2p x 1500t) + 7.5 sin (2p x 1000t) with carrier frequency of 105Hz. The modulation index is
-
A system with transfer function H(z) has impulse response h(.) defined as h(2) = 1, h(3) = -1 and h(k) = 0 otherwise. Consider the following statements
S1: H(z) is a low pass filter
S2: H(z) is a FIR filter.
Which of the following is correct? -
Consider an incremental vector element of length ΔL and angle between an electric field E and ΔL s cos θ.
Then in which direction should ΔL be placed to be obtain maximum value of Δv? -
A MOD - 2 counter, the FF has a tpd = 60 nsec. The NOR gate has a tpd of 30 nsec. The clock frequency is
-
Evaluate the power stored in inductor and capacitor
-
If the Laplace transform of the voltage transform of the voltage across a capacitor of value
F is 
the value of the current through the capacitor at t = 0+ is -
The switching expression corresponding to :
f(A, B, C, D)= ∑(0, 3, 4, 7, 8) +
(10, 11, 12, 14, 15) is: -
For each of the positive edge-triggered J-K flip flop used in the following figure, the propagation delay is ΔT
Which of the following waveforms correctly represents the output at Q1?
Whatsapp
Facebook
x(29)X = 35
.
.
as inductor will act as a short circuit for dc.
capacitor = 
.
