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an induction motor when connected in delta and started direct on line produces a starting torque of 60Nm and consumes 80A. if the same motor is started using the soft start equipment with the voltage set at 0.8 of the line voltage calculate the starting torque and current?
The signal to noise ratio at the receiver is required to be at least 17 dB. The average noise power at the receiver is 1 mW. The cable loss between the transmitter and the receiver is 2.5 dB/km
Use the fact that x = 2 and y = 0 at t = 0 to determine the appropriate value of the arbitrary constant in the solution set.
Suppose a 12-V battery bank rated at 200 Ah under standard conditions needs to deliver 600 Wh over a 12-h period each day. If they operate at -10 Celsius, how many days of use would they be able to supply
The relative dielectric constant of the printed circuit board (PCB) is 4 and the microstrip lines have a characteristic impedance of 80W. The length of the microstrip lines are 30mm and 45mm, respectively.
A 3-D printer lays down a semicircular arc of positively charged plastic with a radiusR = 3.5 cm, and a linear charge density of Lambda = +1.9 uC/m. After the printer has finished the arc, the stylus moves to the center of the arc.
Discuss the sequence of actions that occur in the operation of the control system for a traffic light, that includes sensors in the roadbed. Indicate which actions are time-driven and which actions are event-driven
The boards have a weight of 40 lb, centered G. Determine the smallest angle Theta required for the man to support these boards, neglecting the man's weight and the friction between his shoes and the floor.
An nMOSFET and pMOSFET are fabricated with substrate doping concentration of 6x1017/cm3. The gate oxide thickness is 5 nm. (a) Find Vt of the nMOSFET when n+ poly-Si is used to fabricate the gate electrode.
Develop a voltage-to-current converter that satisfies the requirement I = 0.0021Vin. If the op amp saturation voltage is ±12 V and the maximum current delivery is 5 mA, find the maximum load resistance.
When the starter motor, which draws 90A, is running the terminal voltage drops to 11V. What is the internal resistance of the battery What percentage of the chemical power is delivered to the starter motor
A one quarter wavelength piece of 75 ohm microstrip line has a capacity load of Xc = 22 ohms. What impedance does a driving generator see
1) What type of chemical reaction is taking place 2) How many liters of 0.100 M HCl would be required to react completely with 5.00 grams of calcium hydroxide 3) If I combined 15.0 grams of calcium hydroxide with 75.0 mL of 0.500 M HC..
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