59701. For a given voltage, four heating coils will produce maximum heat when connected
59702. Denominator polynomial of a transfer function of certain network is:
s3 + s2 + 2s + 24
Then the network is:
59703. A TV picture is to be transmitted over a channel of 6 MHz bandwidth at a 35 dB S/N ratio. The capacity of the channel is
59704. The ratio of the diffusion coefficient in a semiconductor has the units
59705. Consider the probability density f(x) = ae-b|x| where x is a random variable whose allowable values range from x = - ∞ to x = + ∞. P(1 ≤ x ≤ 2)
59706. The amplitude of a pair of composite sinusoidal signal y(n) = x1(n) + x2(n) with x1(n) = sin (5p n) x2(n) = 3 sin (5p n) is __________ .
59707. The amplifier circuit shown below uses a silicon transistor. The capacitors Cc and CE can be assumed to be short at signal frequency and the effect of output resistance r0 can be ignored. If CE is disconnected from the circuit, which one of the following statements is TRUE?
59708. A n-channel JFET has IDSS = 2 mA, Gate to source voltage VGS = - 2 V and trans-conductance is 0.5 mW then pinch-off voltage is __________ .
59709. If we manage to __________ our natural resources, we would leave a better planet for our children.
59710. (2)3 + (3)4 = (?)5
59711. If g(t) = e- p t2 then G(0) is __________ (where g(t)⇔ G(f)
59712. The open loop transfer function of a unity feedback system is: The range of K for which the system is stable is
59713. A discrete time linear shift-invariant system has an impulse response h[n] with h[0] = 1, h[1] = - 1, h[2] - 2, and zero otherwise. The system is given an input sequence x[n] with x[0] - x[2] - 1, and zero otherwise. The number of nonzero samples in the output sequence y[n], and the value of y[2] are, respectively
59714. For a series resonant circuit at low frequency circuit impedance is __________ and at high frequency circuit impedance is __________
Fill in the blanks respectively
59715. The network is
59716. A signal with ± 10 V ranged and 1 KHz band width is being digitized using a sample and hold circuit and a 10 bit quantizer. The minimum sampling rate is :
59717. The circuit below represents function X(A, B, C, D) as:
59718. Whose government is famous for its elaborate municipal administration?
59719. In the sixth and seventh centuries A.D., Saivism seems to have replaced Vaishnavism as the imperial religion of Northern India. It counted among its votaries all of the following supreme rulers, except?
59720. If the characteristic equation of a closed loop system is s2 + 2s + 2, then the system is :
59721. Given digits 2, 2, 3, 3, 3, 4, 4, 4, 4 how many distinct 4 digit numbers greater than 3000 can be formed?
59723. Re-write as directed They have completed the work. (Turn into passive)?
59724. The following circuit can be represented as :
59725. The first President of the Indian National Congress was:?
59726. Find Y in the circuit below :
f1(E, F) = ∑(0, 1, 2, 3)
f2(A, B, E, F) = ∑(0, 1, 2, 3, 5, 6, 9)
f3(A, B, E, F) = ∏(4, 7, 8, 10, 11, 12, 13, 14, 15)
59727. Calculate the stability factor and change in Ic from 25°C to 100°C for, β = 50, RB/RE = 250, ΔICO = 19.9 nA for emitter bias configuration
59728. Who was the author of Aithihyamala?
59729. In a radar system, the range of R1 is achieved at a frequency f1. Then the range R2 at frequency R2 = 8f1 would be __________ [Neglect effect of 1 on the Beam width.]
59730. The passive sentence of People claim to have seen the suspect in several cities.?
59731. The logic function f(A, B, C) = m(0, 2, 4, 5, 6) can be represented by :
59732. In amplitude modulation, carrier signals A cos ωt has its amplitude A modulated in proportion with message bearing (low frequency) signal m(t). The magnitude of m(t) is chosen to be __________ .
59733. For real values of x, the minimum value of the function f(x) exp (x) + exp (- x) is
59734. Continuity equation is based on law of conservation of
59735. An image uses 512 x 512 picture elements. Each of the picture elements can take any of the 8 distinguishable intensity levels. The maximum entropy in the above image will be
59736. A tachometer has a sensitivity of 4 V/1000 rpm. Express the gain constant of the tachometer in the units volts/(rad/sec).
59737. Consider the signal x(n) = 1 + sinn + 3 cosn + cos . Then Fourier series coefficients are __________ .
59738. A certain system has transfer function a is a parameter. Consider the standard negative unity feedback configuration as shown below.
Which of the following statements is true?
59739. If a signal f(t) has energy E, the energy of the signal f(2t) is equal to __________ .
59740. For a npn BJT transistor fβ is 1.64 x 108 Hz. Cμ = 10-14 F; Cp = 4 x 10-13 F and DC current gain is 90. Find fT and gm (fβ = cut off frequency, Cμ = capacitance, Cp = parasitic capacitance, gm = transconductance, fT = gain BW product)
59741. The impulse response h(t) of a linear time-invariant continuous time system is described by h(t) = exp (a t) u(t) + exp (βt) u (- t), where u(t) denotes the unit step function, and a and β are constants. This system is stable if
59742. The heat coming out of the sun is in the form of?
59743.
ωL =
59744. An 8 level encoding scheme is used in a PCM system of 10 kHz channel BW. The channel capacity is
59745. For the power amplifier circuit shown below, the maximum power dissipated by both output transistor is
59746. For static electric and magnetic fields in an homogenous source-free medium, which of the following represents the correct form of Maxwell's equations?
59747. A periodic rectangular signal, x(t) has the waveform shown in the given figure. Frequency of the fifth harmonic of its spectrum is __________
59748. An antisymmetric filter having odd number of coefficient may have a performance as
59749. A material has conductivity of 105 mho/m and permeability of 4p x 10-7 H/m. The skin depth at 9 GHz is
59750. Choose the set of correct chronological order of dynasties?