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Electrical Engineering 1) A sinusoidal signal of 500 mV and 1 kHz from peak to peak is given as the input signal from the function generator. a) Calculate the voltage gain of the circuit in Figure 1. b) What is the phase relationship between input and output signals? (Assume ß = 50 and VBE = 0.4 V) RE 10kO RL 56kO C2 Vout C1 Q1: 10µF 10uF BD139 : Víni RB1: 2.2k0 RB2 : 500 mVpp 1-kHz S0.56kO Figure 1

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3. Solve the following Vin Vin = 1V Vout= Zin = Zout Part B R1 www 100kQ P12 P12 R2 www 1kQ V1 12V N12 Vin = 1Vpk. 1khz sine wave Vout= U1A LM324AD N12 Hilt V2 12V Vout

8. Liquids with solid impurities a) Have higher dielectrie strength b) Of large size have higher dielectric strength c) Have lower dielectric strength as compared to pure liquids d) None of the above 9. Peak to peak ripple is defined as a) the difference between average de voltage and peak value b) the difference between maximum and minimum de voltage c) the difference between maximum ac and average dc voltages d) the difference between ac (rms) and average de voltages 10. In a Cockroft-Walton circuit, input voltage 100 kV load current 25 mA, supply frequency 100 Hz, each capacitor 10 nF. The optimum no. of stages for maximum output voltage is a) 1 b) 2 c) 10 d) 35

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Question 1 From the datasheet, a 1N4742A zener diode has a ZZ of 9 Q. The datasheet gives VZ = 12 V at a test current, IZ, of 21 mA. What is the voltage across the zener terminals when the current is 5mA? 12.216 V 11.856 V 12.612 V 11.568 V 5 pts Next

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5/1 IN4001 120 V 60 Hz R 5 k2 100 uF 1) Explain how this circuit works 2) Draw the waveform at the output (Vrl) for a sinusoidal signal at the input 3) What is the effective voltage of peak voltage in the secondary? 4) What is the peak voltage on the load? 5) What is the average voltage of the output (on the load)? 6) Calculate ripple on load

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What is the frequency of the input signal if the measured capacitive reactance is equal to 28 Q. Given that R1 = 1738 Q and C1 = 1 micro Farad. The voltage is kept constant at 5V. Note: Express your answer in Hz and in 2 decimal places. No need to include the unit. V R1 www C1 Xc Vout -O

Q13) For the circuit shown in the figure. a) Calculate the ripple factor. b) Sketch and label the output voltage waveform . T1 D1 V1 120Vpk 60HZ 0° 10:1 C1 1G4B42 R1 :100μΕ 1.5kQ 014) Sketch th I the touol

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is the simplest way of producing a source of lower EME from a source of higher EMF.

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From step1, how did you get that 50+(80*j60/80+j60) = 78.8+j38.4? also in step 2, how did you get that 5/(0.0125-0.0167) = 143.63 + j191.89?

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

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التاریخ | موضوع الدرس Vincoms) -220v AL=10k C = 100 ME e The FwRcct. %3D Find: 1. Dcvaltage and Current AS/p=1/5 ii the ripple Ualtage Tit ripple factor

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Identify which measurement this oscilloscope time difference reading is useful for. Oscilloscope-XSC1 Time 250.000 us 1.261 ms Channel_A 169.064 V 168.513 V -550. 584 mV Channel_B 89. 282 V 95.005 V 5.722 V Reverse T2-T1 1.011 ms Save Ext. trigger Timebase Scale: 200 us/Div : Scale: 100 V/Div X pos. (Div): 0 Channel A Channel B Scale: 100 V/Div Y pos. (Div): 0 Trigger Edge: F Level: 0 A B Ext Y pos. (Div): 0 V Y/T Add B/A A/B AC DC AC DC Single Normal O period O none of the above O phase shift

0 1 2 Previous Next Iculate Score 0610908 - Introduction to Electrical Phase 1 7 of 20 Which DMM measurement would you expect based upon the red and black leads in this image? ⒸOV 2.5 V Ⓒ 6V 12 V 20 Q Search LDC ASUS T

Design a synchronous counter using JK flip-flops to produce the following sequences. 2 4 6. 3 1

For the given circuit for a 9.76 Vpeak sinusoidal input Vin, what is the value of Vout (in V) when Vin is a positive half cycle? Use Germanium diode. Vin Vout R T. +