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In a device called a betatron, charged particles in a vacuum are accelerated by the electric field E that necessarily accompanies a time-dependent magnetic field B(t).
(a) Suppose that, in cylindrical coordinates, the magnetic field throughout the betatron at time t can be approximated byB = Krnt ez.
where K and n are positive constants. Assuming that the companion electric field takes the form E = E4,(r)eo,
express E in terms of r, K and n. If the electric field in the plane z = 0 is observed from a point on the positive z-axis, do its field
lines point clockwise or anticlockwise? Explain your answer in a sentence or two.
(b) What mathematical feature of the electric field makes it impossible to define an electrostatic potential field in this case? Explain your answer in two or three sentences.
The goal is to design a memory system to support a small amount of data storage outside of the processor. The design is to be based on the 16K bit CY7C128A SRAM organized as 2Kx8. (a) Provide a high-level block diagram for such an interface.
The following equation represents the complete combustion of ethane: 2C2H6(g) + 7O2(g) 4CO2(g) + 6H2O(g)At the same temperature and pressure what is the maximum volume in liters of carbon dioxide
Water at 32.0 °C is sprayed onto 0.127 kg of molten gold at 1063 °C (its melting point). The water boils away, forming steam at 100.0 °C and leaving solid gold at 1063 °C. What is the minimum mass of water that must be used
(a) How many atoms are there in the unit cell characterizing the Si lattice (b) Verify that there are 4.994 X 1022 atoms/cm' in the Si lattice at room temperature. (c) Determine the eenter-to-center distance between nearest neighbors in the Si lattic..
What is the frequency of the rotor currents? What is the angular velocity of the stator field with respect to the stator? With respect to the rotor?
The required exposure energy for a positive photoresist is 140 mJ/cm2 and for a negative photoresist is 9 mJ/cm2. Assuming negligible times for loading and unloading wafers, compare the wafer throughput for positive photoresist and negative photor..
A 100 hp, 3 phase induction motor, operating at the rated load, runs at 423 rpm when connected across a 450 V, 60Hz supply. The slip at this load is 0.06. Determine A). Synchronous Speed B). Number of stator poles
A 100-L rigid tank contains nitrogen (N2) at 900 K, 6 MPa. The tank is now cooled to 100 K. What are the work and heat transfer for this process?
In a feedback system, the forward path has a transfer function of the form G(s)=k/(1+s/Omega_p) and the feedback path has a gain of k_fb which is less than unity. Calculate the bandwidth of the closed-loop transfer function
1- Find the voltage across the inductor for t > 0 2- Sketch the voltage and the current as a function of time 3- Find the power ( in microwatts) at the terminals of the inductor when t = 200 ms
1. Obtain the compete state diagram showing both used and unused states and transitions. It is a self-correcting design 2. If the design is not self-correcting - modify it to obtain aself-correcting design. Show the work and draw the circuit diagra..
What is the magnitude of the net force which acts on the object? What is the magnitude of the net force when the object encounters 23.4 N of air resistance?
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