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Stored energy in a system of inductors. An infinite solenoid with n turns per unit length and radius a carries a current I. A shorter solenoid, of length d and radius b, is placed over the first as shown in Figure 9.70a. The two solenoids do not actually touch. Figure 9.70b shows the relation of the two solenoids from a side view. The second solenoid also carries a current I and has a total of N turns. Assume both solenoids to be long (i.e. infinite for calculation purposes) and that the flux densities of the solenoids are in the same direction. Calculate the change in the energy in the system when the second solenoid is slipped over the first.
Question -4 following gas phase reaction takes place at 500oc 4PH3 (g) ----( P4 (g) +6H2 (g) With rPH = 85h^-1*CPH3 What is the volume of the plug flow reactor operating at this temperature and 5.5 atm, giving 80% conversion for a feed of 2.5 kg-mol..
Wal-Mart is the largest corporation in the world, and it has obviously enjoyed tremendous success. But while many welcome its location in their communities, others do not. Some complain that its presence has too many negative effects on a communit..
Compare MACRS depreciation and straight-line depreciation: based solely on the tax effects, which depreciation method (SL or MACRS) would yield a higher net present value for the project?
What do charge balanced and mass balanced mean? How are redox reactions charge balanced? Explain why we must have the same number of electrons in both half reactions, and write down your answer.
A jacketed vessel is to be used as a reactor. the vessel has an internal diameter of 2m & it fitted with a jacket over a straight section 1.5m long. both the vessel & jacket walls are 25mm thick.
A profit-producing property has an initial value of $50,000, a service life of 10 years and zero salvage and scrap value. By how much would annual profits before taxes be increased if a 5 percent sinking-fund method were used to determine deprecia..
A sinusoid with the frequency of 125 kHz is sampled at 70,000 samples per second. What is the apparent frequency of the sampled signal?
Calculate the power transferred across the air gap, the rotor copper loss at full load, and the electromagnetic torque at full load in newton-meters.
Suppose the value of 25 is changed to 10 in the equation, defining am and a current pulse of 10mA (hyperpolarizes the membrane) is passed through the membrane of a squid giant axon for a very long time. At time t¼0, the current pulse is removed. S..
oleum or fuming sulfuric acid available commercially in concentrations ranging from 20 to 99.9 sulfur trioxide. a.
On the basis of the general solubility rules given in Table 4.1, predict which of the following substances are likely to be soluble in water.
By a two-way analysis of variance determine whether the variance between the reactors and between the temperatures is highly significant (0.01 probability level). Even though no replicates were made at any condition,
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