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If the power line and the telephone line described in Prob. 4.6 arc in the same horizontal plane and the distance between the nearest conductors of the two lines is 18 m, use the result of Prob. 4.6(a) to find the mutual inductance between the power and telephone circuits. Also, find the 60-Hz voltage per kilometer induced in the telephone line when 150 A flows in the power line.
Prob. 4.6
The energy density (that is, the energy per unit volume) at a point in a magnetic field can be shown to be B2/2μ, where B is the flux density and μ is the permeability. Using this result and Eq. (4 .10), show that the total magnetic field energy stored within a unit length of sol id circular conductor carrying current I is given by μl2/16π. Neglect skin effect, and thus verify Eq. (4.1 5)
Your office has emailed you a service request from one of your regular customers. The office has included all the information it had recieved from the homeowner. it seems they recently planted new shrubs in their yard.
Find and sketch the output of the system y(t) if the input is x(t) = -2u(t+1) - u(t-5) and h(t) = u(t+2) - u(t)
Draw a block diagram for a datapath that contains: an 8-word, three-port register file; an ALU that accepts operands either from the datapath or from an external source; and a shifter that shifts the A operand from the register file before it goes..
The average power absorbed by the load resistor RL should be PLavg = 20.0W or the closest possible value to 20.0W while using integer number of turns.
A knight is riding across a 12.0 m uniform drawbridge as shown in the figure. The right end of the bridge is held up by a cable and the left end is supported by a hinge. The mass of the rider and horse is 355 kg and the mass of the bridge is 493 k..
Calculate the total number of bits transferred if 100 pages of ASCII data are sent using asynchronous serial data transfer and write an Assembly program to receive 10 bytes of data serially and send them to PORTC
A ring conductor of radius 1 m is located on the xy-plane, centered at (0, 0, 0), and carries a current of 1 A in the counter-clockwise direction. A line conductor parallel to the y-axis and passing through (1, 0, 1) carries an unknown current I.
Derive the expression of the output resistance for circuits in Figure 1. Assume the BJT transistor is biased at forward-active region, and you can directly use the small signal parameters of the transistor, such as gm, β, rπ.
the closed limb of a macleod gauge has a diameter of 1mm and a value v above the level of the opening w of 250cm3.
Draw the circuit diagram of a 4-bit binary adder-subtractor using a 4-bit binary adder and XOR gates. Treat the adder asa block component with appropriate inputs and outputs. you doNOT need to show the internal gates of the adder.
A 240/40 volt transformer supplies two different secondary loads. One load (a) draws a current of 12 amperes at a lagging power factor of 0.94. The other load (b) draws a current of 12 amperes at a leading power factor of 0.94.
A series RLC circuit is connected to a generator with a voltage vs (t) = Vo cos (wt + p/3) (V). (a) Write down the voltage loop equation in terms of the current i (t), R, L, C, and vs (t). (b) Obtain the corresponding phasor-domain equation.
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