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- Inductive Circuits Fill in all the missing values. Refer to the following formulas: XL=2fLL=XL2ff=XL2L Inductance (H) Frequency (Hz) Inductive Reactance ( ) 1.2 60 0.085 213.628 1000 4712.389 0.65 600 3.6 678.584 25 411.459 0.5 60 0.85 6408.849 20 201.062 0.45 400 4.8 2412.743 1000 40.841You are a journeyman electrician working in an industrial plant. Your task is to connect an inductor to a 480-V, 60-Hz line. To determine the proper conductor and fuse size for this installation, you need to know the amount of current the inductor will draw from the line. The nameplate on the inductor indicates that it has an inductance of 0.1 H. An ohmmeter reveals that it has a wire resistance of 10 . How much current should this inductor draw when connected to the line?Incandescent lighting of 500 W is connected in parallel with an inductive load. A clamp-on ammeter reveals a total circuit current of 7 A. What is the inductance of the load connected in parallel with the incandescent lights? Assume a voltage of 120 V and a frequency of 60 Hz.
- SMTH 00 References Mailings Review View Help AaBbCcD AaBbCcDe AaE D- A - I Normal T No Spac. Head Paragraph 2. Find the equivalent inductance of the circuit if L= 20H 25 H 20 H 20 H 60 H 10 H 30H acerEx. 145. See Fig 145. Hz and the measured angle The source frequency is 296 between V and V2 is 52.875 degrees. Determine L in mH if R1=20 Ohms and R2=20.150 Ohms. ans:1Consider the circuit shown below. b) a) What is the current through 220 22 when the 2N4441 is conducting? What is the capacitor voltage that will turn on the 2N4441? What is the minimum voltage that can turn-off the 2N4441? c) 0.2 μF 2.2 1 kQ 1N752 VB = 10 V 9+25 V 220 2N4441 V₁ = 1 V IT = 7 mA IH= 5 mA
- Find the total inductance at the terminals a-b, for the circuit shown in FigureQ2(b). 25 µH 18 μΗ " a 60 μΗ 20 µH 30 μΗ 75 μΗ 12 μΗ 15 μΗ 38 μΗ Figure Q2 (b)A 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 :A 750-ohm resistor, an uncharged 1.50 uF capacitor, and a 8.00-V emf are connected in series. (a) What is the current after one time constant? (b) What is the voltage on the capacitor after one time constant?
- 1. a) Find the values of 11, 12 and I 3 currents of the multi-loop circuit in the figure? b) What is the charge on the capacitor? c) Find the potential difference between points a and b. Which point has the higher potential? 50 80 +11 12 V 1₂ 10 3 V 13 100 ww1+ 9V 80 6 μF +A 1-H inductor is connected in series with a 6-ohm resistor. If the connection is energized from a 9-V DC source, determine the current (in amperes) through the circuit for a long time. The initial current is 100 mA. Express your answers accurate to four decimal places. No need to put the units.Calculate the total inductance at the terminals a-b, for the circuit shown in FigureQ2(b). 10mH 5mH 15mH ll ell ell 20mH 40 mH 60 mH 80mH bo Figure Q2 (b) ll