Lab 221 LC Circuits

Q2)These Multiple choice questions from electronics lab course &just write for me final answer ,It easy for you.

A voltage commutated chopper operating at 1 kHz is used to control the speed of dc motor as shown in figure. The load current is assumed to be constant at 10 A. 00000 V = 250 V 1₁F XA vous 2mH The minimum time in uses for which the SCR M should be ON is

signal system subject  use intergration and prove it with graph

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Calculate the output frequency of the Figure, if the input frequency is equal to 60Hz

Q. The IC used in OPAMP is LM 741. True False

I need the answer as soon as possible

LVDT produces an rms output voltage of 5.0 V for displacement of 3.5 mm. Calculate the sensitivity of LVDT please explain me

Calculate the peak-to-peak inductor current ripple (in amperes) of a Buck converter assuming it operates in continuous current conduction mode. Circuit parameters are: Input voltage Vdc = 38 V, output voltage Vo = 17 V, PWM frequency fpwm = 50 kHz, inductor value 328 µH and capacitor value C = 10 µF. is S iL L I₂ Vac VA D VL ic C R₁ Please specify your answer in units of A to 2 decimal places. V

Q2. For the circuit shown below, sketch i, & Vo 60 a. Find the conduction angle of the thyristor. b. Find the average output voltage V. R-6.50 f- Go Hz = 27AL = 120x17X10 = 6.4092 075 LO = RrjX= Vo L-17mH 6.5+j6.469=9.128 (44595 075 75V( Es 24 Vm A e

Ex. 295. Refer to Figure 295 Determine: 2%Settle Time, Peak Time, Rise Time, Percent Overshoot, Damping Ratio, and Undamped Natural Frequency (rad/sec). All times are seconds. ans:6

Solve first 3 subparts please ?

d) Design (Find the values of the R₁, R2, and C₁) an astable multivibrator circuit to have an output waveform as shown below in the figure (tH = 375µs and t₁ = 125µs). (Assume C₁ = C₂ and R₁ # R₂) and determine the frequency of oscillation and the duty cycle. R1: R2 C1 Q Vcc 4 555 5 C2 10nF I 8 1 3L -OVO tH = 375.0us tL = 125.0us

Home Work 1/ what js meant by Nyquí st rate ? Q2/ what s meant by Pulse Moduletim ? why we need PM?

Q1. a) Consider the signal as shown in figure 4. -2.5 kHz 2.5 kHz Figure 4 i. Sketch the above signal when sampling in the following conditions: - f = 1.25f m - f = 2f m -f = 6fm ii. Write a reflection on the effect of different fs in the part i.

Q-1-a) From the circuit in the Figure-1, determine the DC-bias operation Parameters: (i) IB (ii) Ic (iii) le (iv) VBE (v) VB (vi) Vc (vii) VCE (viii) Ve (Figure-1) Re RB= 380kN,Rc= 1kN B = 100, VBB = Vcc=12V RB ВЕ BB Q-1-b) Describe briefly the input / output characteristics and application of Common Emitter BJT Configuration ww

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please answer both

24. A step up chopper has load voltage of 600V and is sup- plied from a constant de source of 150V. If the OFF time of the chopper is 40 µs and desired output voltage is 300V find ON time of the chopper? (A) 5 µsec (C) 30 µsec (B) 10 μsec (D) 40 µsec

Problem: If the no-load output voltage of a regulator is 15.5 V and the full-load output is 14.9 V, what is the percent load regulation? Express the numerical values up to 2 decimal places.

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ZEV * OMANTEL I. A moodle1.du.edu.om Question 2 Not yet answered Marked out of 2.00 P Flag question A buck converter produces an output voltage of 100 V across a 100 Ohm load resistor. The output voltage ripple is 0.5 %. The output current ripple is 2 A. The dc supply is 200 V. The switching frequency is 1 kHz. The value of the inductor is: Select one: O a. 25.00 milli Henry b. 35.25 micro Henry O c. None of the above d. 88.55 micro Henry O e. 75.15 nano Henry Previous page Next page

In the QPSK modulator in the figure shown, the reference oscillator (as can be seen in the figure) is sinwct. Change the reference oscillator to coswct and plot the new constellation diagram

Explain dual slope ADC and successive approximation ADC with neat block diagram and compare the two approaches

The current in a LR ciruit is given by i=5(1-e^-40t)amps. Determine the mean current over the time period 0 to 25 milliseconds.

Write by copmuter

FREQUENCY MODULATION , ANSWER IN THREE STEPS PLEASE ( NEED ONLY HANDWRITTEN SOLUTION PLEASE OTHERWISE DOWNVOTE)

Given: Np = 3 turns fin = 51 Hz Ns = 1 turn Vp = 195 Vac

khot Con ue can about Puformana optimizotion -Prom Amdohl's Low?

2. The single phase full wave AC voltage controller as in Figure 2 below supplies to the R and L load. The rms input voltage is Vs = 120V, 60HZ and the load are L=6.5mH and R=2.50. The firing angle of T1 and T2 are aj=az=r/2 and the extinction angle, B-220.35°. Determine the rms output voltage, Vo(ms). (C2,CLO1) Figure 2