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Solve your IGNOU Doubts
Question:

 

Explain the significance of the linear and shear strain components of a crystal.

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Question:

A 4-bit DAC produces 22 mV output for a digital input of 1011. What is the resolution for this DAC? Find out Vout for 0101?

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Question:

NaCl has a melting point of 800 °C and MgO has a melting point of 2800 °C. How would you explain these facts?

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Question:

 

Design and draw the circuit diagram of a Mod-6 ripple counter.

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Question:

 

Design and draw the circuit of a regulated power supply using LM 317 to provide 30V output.

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Question:

Draw a circuit of amplifier of gain 50 using IC 380. Use the non-inverting terminal as input signal terminal.

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Question:

Determine the interplanar spacing of the (110) planes in Cu given that its lattice constant is 3.61Å.

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Question:

List the symmetries of the H₂O molecule.

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Question:

Design and draw the circuit of a three channel op-amp adder with channel gains of -5, -10 and-15 respectively.

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Question:

Draw a circuit of a non-inverting amplifier with gain 1 using op-amp. Draw the output voltage curve of this circuit for a step input of 5V amplitude and 50 kHz frequency, if the slew rate of the op-amp is 0.5 Vus-1. (Use proper scale on the time axis to illustrate the effect of slew rate).

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Question:

In a voltage regulator circuit, the output voltage under no load condition is 12V while under full load it is 11.8V. Over the full range of input voltage variation the nominal voltage output of 12V varies by 50 mV. Calculate percentage line and load regulation.

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Question:

Explain FP Tree Growth Algorithm with a suitable example.

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Question:

State the Barkhausen criterion for sustained oscillation. Explain the operation of Colpitt Oscillator. For a Colpitt oscillator with 10 MHz frequency determine the equivalent capacitance, C forming tank circuit with 0.1 mH inductor.

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Question:

h-parameters of a single stage CE amplifier are given as hie = 1 k , hre = 3 × 10 -4, hfe = 60 and hoe = 25 µAV-1. Calculate Ai, Av and Zout with rs =100  and rL =10kΩ.

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Question:

 

Refer to the universal bias shown in Fig. 4.11 of your study material. If Vee = 10V, R1 = R2 = RC= RE = 10k , VBE = 0.7V and  = 100, calculate VB, VE, IE, IB, VC and VCE-

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Question:

 

Which processes are responsible for the charge carrier transport in a semiconductor? Which of these govern in the case of a bulk semiconductor when no potential is applied?

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Question:

A series LCR circuit with L = 400 mH, C = 20 nF and R = 250  is connected to an AC source of 65 V. Calculate the resonance frequency and O of the circuit. What is the current flowing through the circuit and voltage across the capacitor at resonance frequency?

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Question:

Explain with a neat diagram application of p-n junction diode as a peak voltage detector.

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Question:

Use superposition principle to find the current flowing through R2 in Fig.1.

 

Image ignouassignments-ignouacademy-com--p-your-63150

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Question:

Compute the Linear Discriminant projection for the following two-dimensional dataset:

X1 =(x1, x2) = (4, 2), (2, 2), (3, 2), (3, 5), (3, 4)

X2 = (x1, x2) = (8, 7), (9, 6), (7, 7), (9, 8), (10, 9)

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