CEG 2138 Lab1

2. An AC voltmeter uses a bridge rectifier with silicon diodes and a PMMC instrument with FSD = 75 µA. If the meter coil resistance is 900 Q and the multiplier resistor is 708 k2, calculate the applied rms voltmeter when the voltmeter indicates FSD.

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a) Derive the mathematical model of a thermal system. Also, write the differential equation for the electric circuit shown in Figure 1 below and find the output. E₁ R₁ M P FR₂ Figure 1 R3 E0 ↓

Q1. find beta ? Q2. Find S ? Q3. Find S' ? Q4. Find S'' , using T1 as the temperature at which the parameter values are specified and beta( T2 ) as 20% more than beta( T1 )? Q5. Determine the net change in IC if a change in operating conditions results in Ico increasing from 0.3 micro A to 10 micro A, VBE drops from 0.7 V to 0.6 V, and beta increases 20%.

Q 2) A single phase half-wave uncontrolled rectifier with RL load is shown With R=1002, La 0. 1H w-377rad/s and V 100V, Determine: a) An expression for the load current i(t). b) The value of the current at t3D16 ms. c) The average load current (1C WLialx197=ア7.9 =121 V, = V, sinfar) 17.2 0.360

1. A certain full-wave rectifier has a peak output voltage of 30V. A 50 mF capacitor filter is connected to the rectifier. Calculate the RMS ripple developed across a 600 W load resistance 2. It is a process of allowing electric current to flow only in one direction that is changing A.C in to D.C.

Define and describe the various circuit stages required to design a DC power supply(specifically, explain the required circuit stages of the empty boxes as shown below). Your answershould include names of the circuit stages, a schematic of an appropriate circuit to accomplisheach stage (no need to define values), and a short description of each circuit stage.

In a phase controlled full wave rectifier, the source voltage is 50 VRMS sinusoidal, the source frequency is 60 Hz and the load is 20 ohms. Since the delay angle in the circuit is 20 °, which of the following is the value of the RMS load voltage? a) 99.54 V   b) 49.77 V   c) 70.38 V   d) 35.19 V   e) 23.46 V

Electrical Engineering _ Power Electronics Notes: pls try to answer in less than 30 min.

Provide a complete solution 1.) A full-wave rectifier (operating from a 60-Hz supply) drives a capacitor-filter circuit (C = 100 uF), which develops 12 V dc when connected to a 2.5-kiloOhms  load. Calculate the output voltage ripple. (answer= 0.12 V rms) 2.)A full-wave rectifier operating from the 60-Hz ac supply produces a 20-V peak rectified voltage. If a 200-uF capacitor is used, calculate the ripple at a load of 120mA

Home Works H.W (1) // The half - wave rectifier has a loạd resistance of 5 kQ and the input voltage is 10 sin wt V find : 1) D.c voltage 2) Load voltage 3) D.c current 4) Load current 5) Ripple factor 6) Form factor 7) Efficiency H.W (2) || The full - wave rectifier has a load resistance of 5 kQ and the input voltage is 10 sin wt V find : 1) D.c voltage 2) Load voltage 3) D.c current 4) Load current 5) Ripple factor 6) Form factor 7) Efficiency H.W (3) // Compare between the results H.W1 and H.W2 and show which better .

Please solve for following based on attached circuit: average laod current RMS load current average load power absorbed apparent source power

Q2) A controlled full-wave bridge rectifier has a source of 120 V rms at 60 Hz, an RL load where R = 102 and L= 100 mH. The delay angle a = 60°. (a) Verify that the load current is continuous. (b) Determine the dc (average) component of the current. (c) Determine the power absorbed by the load.

03 Determine operation point of the BJT in figure shown below. Assume B = 200. Rc 330 N RB Vcc 20 V 47 kN VBB 10 V Pie 1slami Cncersity The

Electrical Engineering _ Power Electronics Notes: pls try to answer in less than 30 min.

Electrical Engineering ell Vdc = 24 v Vs(t) = 120 V RMs Problem 1: Given the half-wave rectifier with the DC source above a) If it is operating at 60 Hz, when there is a load current of 2 A, what is the value of the resistance across the load? b) What is the value of the inductor to achieve a load current that is less than 1 A. c) For the DC source, find the power absorbed d) For the resistor, find the power absorbed

I need the answer as soon as possible

A voltage regulator is a device that: Maintains a fixed DC voltage. O Maintains a fixed AC voltage. O Maintains a fixed DC current. O Maintains a fixed AC current.

V1 Si T1 120 Vrms 60 Hz R1 S2.5kO 4:5 Determine the following using 2nd approximation a) VDC b) IDC c) VLPK d) ILPK e) VLRMS f) ILRMS

For the half-wave controlled rectifier shown, the thyristor is fired at an angle of 35° (firing angle). Assume the input source to be 10sin(5000лt) V and R = 252. Derive the average and RMS expressions of the output voltage and calculate their values. Assume ideal thyristor. + VL- R www T₁

please solve A and B

Solve step by step.  Please solve fast.

The following waveforms are measured on the input and output of a rectifier while driving a resistive load of 5 ohms. For a given value Ix=65 and through analysis of the respective waveforms, specify, calculate 39) the average output current; 40)the r.m.s value of the output current 41)the r.m.s value of the harmonic present in the output current

Question 1 A controlled full-wave bridge rectifier as shown in the Figure; has a source of (120 V rms) at 60 Hz, with RL load where (R = 10 and L = 100 mH). The delay angle is 60 degree and L is larger find: (a) Verify that the load current is continuous. (b) Determine the DC (average) and the RMS of the current. (c) Determine the power absorbed from source by the load and the PF

9. Which of the following equation represents mass semiconductors in electronic circuits? action law for 2 a) n xp = n₁² b) n x p = n₁ c) n xp = n³ 3 d) n xp = n₁¹/²

A half-wave rectifier is needed to supply 15 VDC to a load that draws an average current of 250 mA. The peak-to-peak ripple is required to be 0.2 V or less. a) What is the minimum value allowed for the smoothing capacitance? b) What if a full-wave rectifier is needed?

A 60 Hz sinusoidal voltage with an RMS value of 240 V is applied to a single-phase half-wave SCR rectifier. The firing of SCR is delayed by 30 degrees. The RMS voltage at the output of the rectifier would be: O A. None of the other choices are correct O B. 120 O C. 156 V O D. 167 V O E. 281 V

Please solve step by step in handwriting notes on plane white paper. If any  data is missing then you can assume data as you wish

Derive the equation of the Vdc, Vrms, Efficiency, RF, and TUF of a given three-phase half-wave rectifier circuit shown. Draw the output waveform of the pulsating DC voltage neatly and accurately.

Question 1. A galvanometer has a current sensitivity of 1uA/mm and a critical damping resistance of 1 k. Calculate: (a) the voltage sensitivity and (b) the megohm sensitivity.

A half-wave rectifier circuit has an input voltage of 60V for the entire swing of the input signal from the secondary winding of the transformer. If the load resistance is 900 and a shunt capacitor is connected therein: 1. Draw the circuit 2. Solve the following unknown values. a. The peak voltage V b. the average output voltage Volave) c. the average load current lolavel, d. the rms load voltage Volcms), e. the rms load current loma) f. the ripple factor RF of the output voltage, g. the rms ripple voltage Vrirms) h. the average diode current ID(ave) i. the rms diode current Ipicms), j. the peak inverse voltage PIV of the diode, k. the average output power Polac 1. the DC output power Po(de) m.the frequency fr of the output ripple voltage, n. the input power factor PF.