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If 80 volts is induced when the flux linking a coil changes at a uniform rate from 3.5 mWb to 4.5 mWb in 0.5 ms, how many turns does the coil have?
What the material/product is used for within the building - How is the material / product sold and how is the material / product stored and handled during delivery and the building construction process.
A rigid container holds hydrogen gas at a pressure of 3.0 atm and a temperature of 2.0° C. What will the pressure be if the temperature is raised to 10° C
what is the highest input frequency for which no slewing occurs?
A 6-pole, 50 Hz., 3-phase induction motor running on fullload develops a useful torque of 175 Nm when the rotor e.m.f. makes 120 complete cycles per minute . Calculate the shaft power output,If the mechanical torque lost in friction and that for c..
A signal y(t) is defined as y(t) = box(t/1.1) * box(t/0.9) * box(t/0.8) * box(t/1.2) where * denotes convolution and the signal box(t) is box(t) = u(t+0.5)-u(t-0.5). -Determine y(1.0) -Determine max(y(t)) -Determine the definite integral of y(t) o..
A 2-kW electric resistance heater submerged in 5-kg water is turned on and kept on for 10 min. During the process, 300 kJ of heat is lost from the water. The temperature rise of water is
There is a 3 ohm resistor and a j4 ohm inductor in series with each other, and parallel to the input voltage. There is a 4 ohm resistor, a -j13 ohm capacitor, and a 10 ohm resistor in series, which is parallel to the input voltage.
A Gaussian random process having a mean value of 2 and a variance of 4 is passed through an ideal half-wave rectifier. a) Let Xp (t) represent the random process at the output of the half-wave rectifier
Generate an analogous diagram for a closed-loop controlsystem to maintain the water level in a tank that has a singleinlet valve (that can be controlled )and an unknown leak. Anexample of a closed -loop system such as this is the tank on a toilet.
Delta load Assume that the load is delta connected. Each phase has a series RL load with R = 5 ohms and L = 20 mH. Plot the phase to phase voltage (Vab) versus time for one cycle. Hint: Vab = Va - Vb
Discuss the differences between, advantages and disadvantages of the following types of grounding systems: ungrounded, solidly grounded and high resistance grounded systems.
a four pole, series motor runs at 900rev/min when taking 30A from a 230V supply. the total resistance ofthe armature and the series field is 0.8Ω. Calculate the additional series resistance required to reduce the speed to 500rev/min if the torque ..
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