In the circuit shown, the power supplied by the voltage source
An LTI system having transfer function and input x(t) = sin (t +is in steady state. The output is sampled at a rate ωs rad/s to obtain the final output {y(k)}. Which of the following is true?
Two coils X ofturns and Y ofturns are placed such thatof the flux produced by coil X links coil Y. A current of 1 A in coil X produces 0.1 wb flux. The mutual inductance between coils is
An air-filled rectangular waveguide has dimensions 8cm x 10cm . The group velocity is
The following Variable Entered Map (VEM) represents which of the following function:
Consider the circuit shown below of 2 : 1 MUX is given by the function g = ac + bcThen f is :
The minimal function that can detect a "divisible byBCD code digit (representation D8D4D2D1) is given by
A lossless transmission line iscm long and operates at a frequency ofMHz. Inductance and capacitances present in a line are 0.5 μH/m andpF/m. Phase constant and phase velocity are respectively.
If . dt, then F[y(t)] is
Two D flip-flop as shown below are to be connected as a synchronous counter that goes through the following Q1Q0 sequence→→→→→ __________ The inputs D0 and D1 respectively should be connected as
Consider the sequence x(n) whose fourier transform X(ejω) is depicted for - p ≤ ω ≤ p as shown in figure
Consider an angle modulated signalx(t) = 6cos[2p x 106t + 2sin(8000pt) + 4cos(8000pt)] VThe average power of x(t) is
A system with transfer function H(z) has impulse response h(.) defined as h(=h(= -1 and h(k) = 0 otherwise. Consider the following statementsSH(z) is a low pass filterSH(z) is a FIR filter.Which of the following is correct?
Two discrete time systems with impulse responses h1[n] = δ[n -and h2[n] = δ[n -are connected in cascade. The overall impulse response of the cascaded system is
(29)13 ÷ (29)12 x (29)x = (23)16 Find x
A MOD - 2 counter, the FF has a tpd =nsec. The NOR gate has a tpd ofnsec. The clock frequency is
The current i(t), though aΩ resistor in series with an inductance, is given by i(t) = 3 + 4 sin (10t + 45°) + 4 sin (300t + 60°) Amperes. The RMS value of the current and the power dissipated in the circuit are
The magnitude plot of a composite signal x(t) = e2jt + e3jt is
Consider the frequency modulated signalcos (2p x 105t + 5 sin (2p x 1500t) + 7.5 sin (2p x 1000t) with carrier frequency of 105Hz. The modulation index is
A transmitter radiates a powerKW and its base current is 18A. The radiation resistance of the antenna is
Abit counter type ADC uses 1 MHz clock then its maximum conversion time is __________ .
A first order system will never be able to give a __________ response.
e-2t is __________ .
A germanium diode has a reverse saturation current ofμA at 125°C and forward current of 1 mA at a forward potential of 0.8 V and the reverse potential is 0.6 V What are its dynamic forward and reverse resistance at this temperature.
(11)2 + (11)3 = (11)?
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
Find resistance RB to bring transistor to threshold of saturation (VCB = 0), VBE = 0.7 V, a = 0.96
The energy of constant-amplitude complex valued exponential sequence is __________ (where A is the constant amplitude)
A short grounded vertical antenna has a length L which is 0.at frequency f. If its radiation resistance at f is R ohms, then its radiation resistance at a frequency 2f will be
An audio signal of FM radio station is sampled at a rate ofabove the Nyquist rate. Signal is sampled inlevels and bandwidth of the signal is 4 KHz. The minimum bandwidth required to transmit this signal will be