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The electric current in a microprocessor circuit is 0.360 uA. How many coulombs pass a given point in the circuit in 2.30 ms?
There is a damping coefficient of 18 lbs(ft./s). A weight of 96.6 pounds is attached to the spring, moved to 5 ft. above the equilibrium point and released with an initial velocity of 45 ft./s. Do not forget to convert the weigh to mass (slugs) us..
A full-wave rectifier circuit having centre-tapped transformer has 500 turns in its primary winding, 25 turns from one end of the secondary winding to the centre tap and 20 turns from the other end of secondary winding to the centre tap.
A zippy little electric car is equipped with a 175hp motor. a) How many kW are required to run the motor if we assume ioo percent efficiency in converting electrical power to mechanical power
Find the system transfer function H(s) = Y(s)/X(s) if the input x(t) and the output y(t) of the system are related by the equation y(t) + 3y(t) = x(t) - x(tau)d tau. Assume y(0) = 0.
Write the Boolean expression and draw the gate logic diagram and typical PLC ladder logic diagram for a control system wherein a fan is to run only when all of the conditions are met -Input A is OFF -Input B is ON or input C is ON, or both B and C ..
Suppose 33 mL of 1.20 MHCl is added to 42 mL of a solution containing excess sodium hydroxide, NaOH, in a coffee-cup calorimeter. The solution temperature, originally 25.0C, rises to 31.8C.
In a 2-pole, three-phase PMAC drive, the torque constant and the voltage constant are 0.5 in MKS units. A constant torque of 5 Nm is developed to bring the system from rest to 5000 rpm in 5 seconds.
Write a brief explanation of the principles of the super-heterodyne receiver. It may help to use a simple block diagram to express the process. Explain the purpose of the Intermediate Frequency amplifiers,
For a RL circuit, write a diffedrential equation in which the only time dependant quantity is current (use Kirchoff's loop). Derive an expression for current, i(t), in terms of L,R, and Vo. If Vo=5V, R=2.5 ohms, L=100 nH
A factory is to be supplied with 408Y/277 3 phase, 4 wire electrical service. The total estimated single-phase load is 25 kW, at .9 lagging power factor. The total estimated three-phase load is 250 kW at .85 lagging power factor.
The boom AC is supported at A by a ball and socket joint and by two cables BDC and CE. Cable BDC is continuous and passes over a pulley at D. Calculate the tension in the cables and the x,y,z components of the reaction at A if the crate has a weig..
a single span of an overhead line is 250 ft in length, having the supporting poles at the same level. the maximum tension in the conductor is 855 lb. the weight of conductor is 0.125 lb/ft.
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