What is coupling?
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- 20 What is countertorque a measure of? PRACTICAL APPLICATIONS ou are working as an electrician in a large steel manufacturing plant, and Y in the of doing preventive maintenance on a large DC you are generator. You have megged both the series and shunt field windings and found that each has over 10 M2 to ground. Your ohmmeter, however, indicates a resistance of 1.5 2 across terminals S, and S,. The ohmmeter indicates a resistance of 225 N between terminals F, and F2. Are these readings normal for this type machine, or is there a likely problem? Explain your answer. processWhich of the following sensors has a permanent magnet inside? Hall effect sensor thru-beam optical sensor piezo-electric sensor LVDT capacitive proximity sensor |o|0|0|6The electrical equivalent of mechanical load in induction machine is......................... a. Rr/s b. Rr/(1-s) c. Rr d. Rr*(1-s)/s
- Find the rolling force and its power. The weight of the car is 800 Kg The weight of each person is 75 Kg You may assume any missing parameters you need in the design appropriately (e.g., the rolling-resistance-power, air-resistance-power, the DC motor's parameters, ....etc)What is damper?What is Lenz's law and derive its formula.
- Consider a resistor and an inductor is connected in series with a battery. Drive anexpression for energy stored in the magnetic field of a current carryingconductor. Description: The topics of the question are discussed satisfactorily withsuitable expressions, figures, and appropriate illustrationswith high accuracy & clarity.Explain this equation in basic termsVerify the following property of the twiddle factor:
- Find all types of power losses (the second photo shows the types of power losses) The weight of the car is 800 Kg The weight of each person is 75 Kg You may assume any missing parameters you need in the design appropriately (e.g., the rolling-resistance-power, air-resistance-power, the DC motor's parameters, ....etc)Please explain and show work for all parts, thank you :)A. A coil of 1000 turns is uniformly wound on a ring of non-magnetic material, the mean diameter being 20 cm. The cross-sectional area of the coil is 4 cm2. Determine the selfinductance of the coil. Ans. 0.8mH B.An iron core 0.4m long and 5 cm2. In cross section, is wound with 300 turns. When a current of 0.5 A flows in the coil, how much is the inductance of the coil. Assume the core has a permeability of 2500.