73551. A n-type silicon sample contains a donor concentration of Nd = 2 x 1016 cm-3. The minority carrier hole lifetime is t p0 = 5 μs. The thermal equilibrium generation rate of hole is:
73552. VL = 100 cos (10t + 30°)R = 10 Ω XL = j10 ΩXC = - j4 ΩFind Vs
73553. 4 point DFT for x(n) = {2, - 1, 2, 3} is
73554. Determine the voltage VCB in the circuit below:
73555. In a series LCR circuit the maximum inductor voltage is twice the maximum capacitor voltage however current lags by 30° and drop across the inductance is vL = 100 sin 377t V. Assuming the resistance being 20 Ω, Find the values of the capacitance and inductance.
73556. In 8085 microprocessor based system running at 3 MHz clock frequency what should be the minimum pulse width of the INTR signal, so that it is recognized successfully?
73557. In the following network, the switch is closed at t = 0 and the sampling starts from t = 0. The sampling frequency is 10Hz.The samples x(n) (n = 0, 1, 2, ...) are given by
73559. If the fore bearing of a line is observed to be 12024’,then the back bearing of line is
73560. If the intrinsic resistivity at 300°K is 0.37 ohm-m and the electron and hole mobilities at 300°K are 0.28 and 0.15 m2/volt-sec, then the intrinsic carrier concentration of Germanium is __________ .
73561. Figure shows four D type FFs are connected as a shift register using an XOR gate. The initial state and 3 subsequent states for 3 clock pulses are also givenThe state QA QB QC QD after the 4th clock pulse is
73562. A rectangular wave guide is designed to propagate at the dominant mode TE10 at a frequency of 5 GHz. The cut-off frequency is 0.8 of signal frequency. The ratio of the guide width to height is 2. The dimensions of the guide are
73563. In the Taylor series expansion of exp(x) + sin(x) about the point x = p , the coefficient of (x - p )2 is
73564. The Z transform of a particular signal is given as The practical implementation of the system will be
73565. If g(t) = e-p t2 then G(1/p ) is __________ where g(t) G(f)
73566. The major loss of energy in long pipes is due to
73567. To realize following function 'f'How many minimum number of 2 input NAND gates are required?
73568. A memoryless source emits n symbols each with a probability p. The entropy of the source as a function of n
73569. If (10) x x(10)x = (100)x; (100)x x (100)x = (10000)x then x can take value
73570. Assuming that flip-flops are in reset condition initially, the count sequence observed at QA in the circuit shown is
73571. F = ∑(0, 3, 4, 5, 7) =
73572. The matrix A is defined as A = . The eigen values of A2 are
73573. A uniform plane wave travelling in air is incident on the plane boundary between air and another dielectric medium with er = 15. The reflection coefficient for normal incidence is
73574. The system shown in figure remains stable when :
73575. The mechanical system shown below has its pole(s) at:
73576. The step error coefficient of a system with unity feedback is :
73577. The following k-map implements
73578. The Z-transform of a signal is given by its final value is __________ .
73579. A surface charge density of 8 nc/m2 is present on a plane x = z. A line charge density of 30 nC/m is present on line x = 1, y = 2 Find VAB for points A(3, 4, 0) and B(4, 0, 1)
73580. Which of the following is equivalent to x?
73581. A uniform plane wave is described by the equation H = A/m. If the velocity of the wave is 2 x 108 m/s and εr = 1.8, then. The frequency of the wave is
73582. Consider two random processes x(t) and y(t) have zero mean, and they are individually stationary. The random process is z(t) = x(t) + y(t). Now when stationary processes are uncorrelated then power spectral density of z(t) is given by
73583. Following state diagram shows clocked sequential circuit: How many states the sequential circuit has?
73584. Which of the following oscillators is used for the generation of high frequencies?
73585. Which of the following meters cannot measure a.c. quantities?
73586. For the circuit shown in the figure, D has a transition from 0 to 1 after CLK changes from 1 to 0. Assume gate delays to be negligibleWhich of the following statements is true?
73587. What is the major cause of creeping in an energy-meter?
73588. Assertion (A): As the length of the resonant antenna is increased, the number of lobes increases and the direction of the major lobes is closer and closer to the direction of the diode.Reason (R): As the length increases, the current distribution along the wire becomes more and more uniform.
73589. In the circuit below, the diode is ideal. The voltage V is given by
73590. At magnetic poles,the dip of magnetic needle is
73591. The characteristic polynomial of a system is q(s) = 2s5 + s4 + 4s3 + 2s2 + 1. The system is :
73592. Consider the following network functionIn order to make N(s) as rational network function, it is essential to include
73593. For the polynomial P(s) = s5 + s4 + 2s3 + 2s2 + 3s + 15 The number of roots which lie in the right half of the s plane is :
73594. Noise with double-sided power spectral density of K overall frequencies is passed through a RC low pass filter with 3 dB cut-off frequency of fc. The noise power at the filter output is
73595. For a sphere of radius 15 cm moving with a uniform velocity of 2m/sec through a liquid of specific gravity 9 and dynamic viscosity 8 poise,the Reynold’s number will be
73596. Which of the following describe the correct properties of an emitter follower circuit? It is a voltage series feedback circuit.It is a current series feedback circuit.Its voltage gain in less than unity.Its output impedance is very low. Select the correct answer from the codes given below:
73597. For pole-zero plot shown, the system is __________ .
73598. Which of the following equations results from the circuital form of Ampere's law?
73599. Which one of the following is not LED material?
73600. Consider the following statements: A flip-flop is used to store 1-bit of information. Race-around condition occurs in a J-K flip-flop when both the inputs are 1. Master-slave configuration is used in flip-flops to store 2-bits of information A transparent latch consists of a D-type flip-flop. Which of the above statements is/are correct?
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