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Given a coaxial cable with a solid inner conductor of radius a, anouter conductor with radius from b to c so that a<b<c. Charge +Q is distributed evenly throughout a 1m length of the innerconductor, and a charge -Q is evenly distributed throughout a 1mlength of the outer conductor, find equations for the electric fluxdensity for all p.
A 26 resistor is connected across a 65 V battery. How much energy is used by the resistor in 5 min
A three-phase, 2000-kVA, 12-kV, 1800-rpm synchronous generator has a synchronous reactance of 20 ohms per phase and negligible armature resistance.a. The field current is adjusted to obtain the rated terminal voltage at open circuit.
An alarm is powered by 120 VAC, and the on/off state of the alarm is controlled by an EM relay. Design the interface between a computer output port and the EM relay. The dropout voltage is 3.5 V, and the coil current needs
design a circuit using an inverting amplifier that will produce a +- 10-V output signal corresponding to the bed position and deliver it to a 1k load. The output should be 0V at when the bed is in the center position
A sequential circuit receives decimal numbers encoded in BCD one digit (4 bits) at a time, starting with the least significant digit. The circuit outputs are the 10's complement of the input number, also encoded in BCD least significant digit firs..
An electrical device is designed to draw 4.0 amps. A 0.5 mm diameter copper wire is used to connect the device to a power source. What is the maximum allowable length of wire (in m), if the voltage across the wire is not supposed to drop by more t..
What is the total number of electrons transported from the positive electrode to the negative electrode by the charge escalator from the time the battery is first used until it is completely dead?
Two infinite parallel grounded conducting planes are held a distance 'a' apart. A point charge 'q' is placed in the region between them, a distance 'x' from one plate. Find the force on 'q'.
mutual shifted by 90 degree currents through each of both windings of the single phase A motor are (5.5+1.7) A but RMS voltage of the supply is 220 V.How big will be torque on shaft of the motor is efficiency factor is 0.7.
A certain cyclotron that has a magnetic field whose magnitude is 1.8 T is designed to accelerate protons to a kinetic energy of 25 Mev. (a) What is the cyclotron frequency for this cyclotron (b) What must the minimum radius of the magnet be to ach..
A 22-kw load is powered by a 68-hz, 480-V(subscript rms) line with a power factor of 0.8 lag . Calculate the parallel capacitance required to correct the power factor to 0.9 .
4-pole , 500 volts shunt motor has a simplex lap winding placed in 80 solts , each cotain 30 conductors . The shunt filed resistance and the armature resistance are 250 and 0.005 ohm respectively . the flux per pole is 0.001 webers
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