4. Determine the value of R1 that will ensure proper turn-on and turn-off for the following values; n = 0.45, Vv = 1 V, lv = 18 mA, Ip = 25 uA, and rB1 = 20 kn. Assume R₂ = 2000. www R₁ +30 V D
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- (b) For a configuration as shown in Figure Q1(b), determine the current through 402 resistor, l4on 300 400 200 500 600 700 SA 100 800 900 Figure Q1(b)4. With reference to the Paschen curve below, Breakdown voltage (V) 60 55 50 45 40 35 30 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 pd (cm-torr) If a discharge at p = 0.1 torr, d = 20 cm is to be initiated, what is the voltage required to cause a breakdown? What will be the breakdown voltage if p = 0.025 torr, d= 20 cm?The Value of R1 is 39.4Ohms. explain
- Solve for le of Figure 43. 4.5 mA Ⓒ0.45 mA 3.56 MA 0.356 mA VCC 21V R2 R1 $2.1kQ $500KQ $ Q1 Beta = 110 R3 $1.2kQ Figure 43A voltage-multiplier has a Vm = 60 V peak sinusoidal secondary voltage. During the positive half-cycle, D1 conducts and D2 is cut-off, charging C1 up to what voltage level? C1 HE (A) OV B) 60 V V Ⓒ120 V (D) 180 V Vp 1:1 Vm = 60 V D1 D2 не C2 Ideal diodes C3 HE D3 D4 C4 :Q1: For the circuits shown in figures. If the temperature has changed from 25°C to 65°C. find AIc. Ic=1.5mA at 25°C. Vcc +20v 25°C 65°C 47k 33.9k 55 70 Ico InA 16nA 12knS VBE 0.6 0.5 S1.2k
- Given the circuit shown, Calculate the Peak Output Voltage. Express your answers in two decimal places (i.e., 9.946 becomes 9.95, and 7.6 becomes 7.60). 4:1 D1 120 V rms RL 1.0 kN D2 elle lelllA snubber circuit has snubber time constant (10 msec), voltage source (10 kV), discharge current of the Thyristor (5 µA) and frequency (50 Hz). Find the rate of voltage changing with time and snubber circuit power losses?Calculate enough parameters to get circle diagram like output power Please answer in short i will like
- You are working as an electrician in a large steel manufacturing plant, and you are in the process of doing preventive maintenance on a large DC generator. You have megged both the series and shunt field windings and found that each has over 10 M to ground. Your ohmmeter, however, indicates a resistance of 1.5 across terminals S1andS2. The ohmmeter indicates a resistance of 225 between terminals F1andF2. Are these readings normal for this type machine, or is there a likely problem? Explain your answer.The principle operation of LVDT is based on the variation of Select one a. Self inductance b. Reluctance c. Mutual inductance d. Permanenceplease solve parts 35 then 34