math-workbook-kindergarten

The question is attached to jpeg picture of the circuit:

A Capacitor filter is used at the output across the load in order to minimize the ripple factor of the output voltage. The expressions of the average output voltage Vpc and the output AC component VAc are given below. If R = 1k2 and the single phase bridge rectifier supplied from a 120V - 50 Hz sinusoidal source, then the capacitor value that will maintain the amount of the output ripples to less than 4% would be equal to: VDC = Vm(4FRC – 1)/4ƒRC) VAC = Vm/(4/2ƒRC) Select one: O a. 63.39uF O b. 33.2uF O c. 93.39UF O d. 126.2uF TOSHIBA

The input voltage (vin) of the following circuit is a sinusoidal signal with an amplitude of 2Vrms,consider a silicon diode.graph the output voltage ?? and the current across the resistor.

3. Determine Veand Sketch output waveform for the clamper network shown. 20 V Si C Vi R 4 V- | -20 V 4. An RC filter stage (R = 42 0, C = 220 µF) is used to filter a signal of 30 V dc with 6 V rms operating from a full wave rectifier. Calculate the percentage ripple at the output of the RC Section for a 200-mA load. Also calculate the ripple of the filtered signal applied to the RC stage.

Using a positive Clamper with positive biasing voltage Circuit, with an AC voltage of Vi = 20v with a frequency of 60hz, a value of 500n for the Capacitor, a silicon diode, biased voltage voltage of 5 volts and a resistor with the value of 300 ohms. Find the current on the resistor at a simulation of 20ms in mA. Vm 2Vm R V,m Vo -Vm V, Input Waveform Output Waveform Positive Clamper with positive reference V, www

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The forward biased diode has an admittanice (inverse of impedance) shown below. At what freguency in MHz will the admittance of the resistor (G) be 6.1 times the magnitude of the capacitor's admittance? You can assume the ideal diode has a forward bias of 0.65 V, a characteristic current of 6.2 fA (fempto = 1015), and a minority carrier lifetime of 2.9 microseconds. You can assume that you can use equation 7.29 of the text, Under what conditions would the magnitude of the capacitor's admitance be 5.1 times the admittance óf the resistor (G? Three significant digits and fixed notation. Diode admittance Rs G

Q.3 The input, Vs and the output, Vo of a diode circuit (assuming ideal diode) are shown 3 SEEU/SKEU 1063 in Figure A.2. Name an application that can produce output as in Figure A.2 (ii) and draw the circuit. S UTM S UTM UTM UTM S UTM S UTM O UTM 8 UTM UTM S UTM S UTM UTM UTM S UTM UTM MB UTM ot UTM UT S UTM B UTM UTM 8UTM (i) aUTM UT 8 UTM UTM UTM M UTM TM S UTM UTM UT MS UTM or (i) UTM Figure A.2 8 UTM UT TM S UTM

The subject is Basic Electronics.

20. A biased clamper is connected to a rectangular AC input with 20V on the positive half cycle and -10V on the negative half cycle. The orientation of the Si diode is the same with Vo while the 5V biasing voltage is in opposite connection. The value of R is 100K ohms while the capacitor is 1 microFarad.

please label the questions

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

Q4) Determine and sketch the output voltage across the load resistor (RL) for the circuit shown below (assume Si diodes) V_DC V DC 0,75 (1+ 0.25 V_SIN V SIN RL -1 V SOR V_SQR 0.75 -0.75 V TRI 1 V_TRI -1

Find the values of Vin, VD and ID for the cases where the diode is ideal andSilisium (VT = 0,7V). Frequency value of the input voltage is 50Hz.

Please do D, E, and F

H.WI find the B function, frequency of oscillation and Re RE require for oscillation for the circuit shown below? {70 R Rf 3d L

need help with c

A full-wave rectifier operating from a 60HZ supply develops a peak rectifier voltage of 23V. Calculate the ripple factor for the voltage across the 223µF capacitor for a load current of 76mA. RL Idc 4/3fC Vr(rms) Lütfen birini seçin: a.3.56% b.11.6% c.9.46% d.7.37% e.4.89% ίφ00ορορο)

D2.

1) Find the current through diode 1. 2) Find the current through diode 2. 3) If the circuit ground were to be at  the negative terminal of the horizontally placed voltage source then the current through the 2 kΩ resistor would be?

Problem 3 For the circuit shown below, assume that: R=20k2, D1, D2, D3 and D4 are modeled by a battery of 0.8 V and rB = 30, the Zener diode has 5 V breakdown voltage and rz = 502. Vin' is a sinusoidal signal with 1 kHz frequency and amplitude voltage of 15 V: • Sketch 'Vout' and 'Iz’ for -15V< Vin <15V. Plot 'Vout' and 'Iz’ versus time • What is the function of this circuit? R Vout + + D4 70, Vin D

ANSWER THE QUESTION Q5

The waveform given below is observed on the screen of a CRO. If the time/div switch is set at 10 µsec and the volt/div at 200 mV, the frequency and peak to peak voltage are, respectively. -1.5 -1 -1- -2- 2 1 1 1.5 2

Question 3 Consider the following cirucit: in + V1 R1 5 PULSE (0 2 1 1 1 1) (Note again the unrealistic diode characteristics.) The input is a ramp: 2.0V- 1.6V- 1.2V- 0.8V- 0.4V- 0.0V- 0.0s 0.2s 0.4s 0.6s 0.8s out .tran 2 .model diode D(Ron=5 Vfwd=1 Roff=1G) V(in) D1 diode 1.0s 1.2s 1.4s 1.6s 1.8s 2.0s The output voltage is similar to the input voltage, except that it breaks at a certain voltage and reaches a different final value. Find the break voltage and the final value of the output.

The average (DC) value of a half-wave rectified voltage with a peak value of 200 V is: a. 63.7 V b. 127.3 V c. d. OV 141 V 2. Voltage regulation is determined by: a. load current b. Zener current and load current c. changes in load resistance and output voltage d. changes in no-load voltage and full-load voltage When a 60-Hz sinusoidal voltage is applied to the input of a full-wave rectifier, the output frequency is: a. 120 Hz b. 60 Hz c. 240 Hz d. 0 Hz

Q.35 Ans. In the circuit shown, the input V, is a sinusoidal AC voltage having an RMS value of 230 V ± 20%. The worst-case peak-inverse voltage seen across any diode is V. (Round off to 2 decimal places.) > KH A A 390.32 (385.00 to 395.00) KH A KH C= R ww

d. 0.1 N 8. In the complete diode model, a. the barrier potential is taken into account b. the forward dynamic resistance is taken into account c. the reverse resistance is taken into account d. all of these 9. A 60 V peak full-wave rectified voltage is applied to a capacitor-input filter. If f= 120 Hz, RL = 10 k2 , and C = 10 µF, the ripple voltage is а. 0.6 V b. 6 mV с. 5.0 V d. 2.88 V 10. Line regulation is determined by a. load current b. zener current and load current c. changes in load resistance and output voltage d. changes in output voltage and input voltage 11. When the peak output voltage is 100 V, the PIV for each diode in a center-tapped full-wave rectifier is (neglecting the diode drop) а. 100 V b. 200 V с. 141 V d. 50 V

A PMMC meter rated at 50µA is used in a rectifier type of instrument which uses full wave rectification. What is the sensitivity on sinusoidal a.c.?

Z01 @ C Asiacell l. positive clipper negative cli 03_diode_clipper_clamper_multiplie... pi 5/12 7. Questions: A. The positive peak voltage of a positive clipper is: 1- 0 V 2- 0.6 V 3- Equal to the input peak voltage 4. 1.2 V B. Why is the positive peak voltage in the negative clipper not cut? 1- The diode is forward biased 2- The diode is reversed biased C. In a positive polarized clipper we found the voltage source in series to the diode equal to be +5V. Which is the cut level of the positive voltage? 1- 0.6 2- Equal to the input peak voltage 3- 5 V 4- 5.6 V 6/12

ier quesuon Will save this response. Quèstion 6 Power supply circuit is delivering 0.5 A and an average voltage 20 V to the load as shown in the circuit below. The ripple voltage of the half wave rectifier is 0.5 V and the diode is represented using constant voltage model. The smoothing capacitor value is equal to iL-DC =05A RL VLDC =20V 220V omsb 0.01 F 0.02 F 0.0167 F Hows b None of the above DEV Chp