A steady state of 20 mA is passed through a coil with an inductance of 100 mH. What is the voltage induced by the coil?
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6. A steady state of 20 mA is passed through a coil with an inductance of 100 mH. What is the voltage induced by the coil?
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- Three capacitors having capacitance values of 20F,40F, and 50F are connected in parallel to a 60 - Hz power line. An ammeter indicates a circuit current of 8.6 amperes. How much current is flowing through the 40F capacitor?Assume that the current flow through the resistor, IR, is 15 A; the current flow through the inductor, IL is 36 A; and the circuit has an apparent power of 10,803 VA. The frequency of the AC voltage is 60 Hz. ET ER EL IT IR15A IL36A Z R XL VA10,803 P VARSL PF LYou 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?
- You are working in an industrial plant. You have been instructed to double the capacitance connected to a machine. The markings on the capacitor, however, are not visible. The capacitor is connected to 560 volts and an ammeter indicates a current of 6 amperes flowing to the capacitor. What size capacitor should be connected in parallel with the existing capacitor? What is the minimum AC voltage rating of the new capacitor? What is the minimum DC voltage rating of the new capacitor? What is the minimum KVAR size that can be used in this installation?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.Derive an expression for the electrical energy stored in a capacitor of capacitance C when charged to a potential difference V. If C = 2µF and V= 4V, calculate(l.) the final energy stored in the capacitor,(II.) the work done by the battery in the charging process Account for any difference between your answers in parts (I) and (II) above
- The current in an initially uncharged 4-uF capacitor is shown below. Compute for the following at t = 2 msa) voltagemVb) energy stored in the electric field of the capacitorAnswer must be in numeral form, do not write the units, no decimal points.The unit of capacitance is in Farad (F). One farad is equal to one coulomb per volt. If the capacitor is rated 10pF and is connected to an 8V dc battery, how much energy can it store? Enter in your answer in two decimal places and in pJ.if the current flowing through a 75mH has the waveform shown belowa.) Determine the equation of the current for 0<t<1,1<t<3,3<t<4 secb.) what will be the equation/s representing the voltage that develops across the inductor terminals for the same time interval?c.) Sketch your results from part b. please help me, and please show the complete solution so that I will understand the process.
- COURSE: Electrical EngineeringSUBJECT: Electrical ApparatusINSTRUCTIONS:• Write the GIVEN with their respective symbols and units.• Do not skip the SOLUTIONS, do it step-by-step with their respective symbols and units• Round up to 3 three decimal places the FINAL ANSWERS and BOX it. PROBLEM:A capacitor in series with a 66 Ω resistor is connected to a 120 V, 60 Hz source. If the impedance of the circuit is 116 Ω, determine the size of the capacitor.DIFFERENTIAL EQUATION 1. An electrical circuit consist of a series connected resistor (100 ohms) and a coil with inductance of 50 H. If the initial DC source is 200 volts, solve for the current at 2 seconds.a coil of 10 ohms resistance and 0.1 H inductance is connected in parallel with a capacitor of unknown capacitance.if the total impedance of the combination is 100 ohms. determine the value of the capacitance.