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A quantity of electric charge brings about the decomposition of 4.5 g Al from Al+3 at the cathode. How much volume (STP) of H2(g) from H+ at the cathode will be produced using the same quantity of electric charge?
A 15hp (output power), 208V, three phase, six pole, y-connected induction motor has the following parameters: R1 = 0.1 ohm R'2= 0.1 ohm Xeq = 0.5 ohm A.) A fan type load is connected to the motor. The slip of the motor in this case is 2%.
A short circuit across a current source draws 15 A. If a 10resistor across the source draws 13 A. What is the internal resistance of the source
An N-type silicon substrate with the doping density of 1x10 15 cm-3 Arsenic is to be converted into p-type by Boron diffusion, so that the resistivity at T=75C is 5 O-cm. All atoms are fully ionized.
Determine the ROM size and contents to implement a function which converts a sign and magnitude number from -5 to +6 to two's complement format.
A uniform magnetic field is applied perpendicular to the plane of a 60-turn circular coil with a radius of 6.0 cm and a resistance of 0.60 ohms. If the magnetic field increases uniformly from 0.20 T to 1.8 T in 0.20 s
To discharge a capacitor of 1mF charged with a voltage of 1 volt we connect it, at time t=0, with a resistor of R-ohm. When we measure the voltage in the resistor we find it to be v_R (t)=e^(-t) u(t). Determine the resistance R.
What is the function of the enable control input of a tri-state buffer. If the output of two or more tri-state buffers is connected to each other, what is the restriction on enable control input lines.
The spring of the pressure gauge shown in the figure below has a force constant of 1385 N/m, and the piston has a radius of 1.00 cm. As the gauge is lowered into water, what change in depth causes the piston to move in by 0.750 cm
a) If the excitation voltage E0 is equal to the terminla voltage ( 4kV ), what is the maximum real power which the motor can deliver without losing synchronism b) What is the rotor pole shift in electrical degrees, corresponding to the nominal loa..
Three 5 ohm resistors are connected in wye across a 3-phase,480V line. Calculate the current flowing in each. If one of the resistors is disconnected, calculate the current that flows in the remaining two.
a new type of battery deleivers 10 watt of powr for 8 hours without voltage or current fluctuation. after 8 hours, however thepower output drops linearly from 10 watt to 0 in only 5minutes. (a). what is energy storage capacity of the battery
1.Calculate motor speed in revolutions per minute for an eight-pole,50Hz motor. Give the equation and identify its parts; show your math. 2.You need to detect finished products coming down an assembly line.
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