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Write the formula for the magnetization volume current density J M and magnetization surface current density JMS in terms of magnetization vector M. 4. A sphere has permanent magnetization where is a positive constant. Find JMS. Figure on the right shows an infinite conducting sheet on the x-y carrying a uniform surface current Js as indicated. Use the figure to the right to calculate the magnitude of the H-field in terms of Js. Which law of magnetostatics did you use? 6. In medium1 just above the xy-plane the H-field is given as H1= . Obtain an expression for H2 in medium2 just below the xy-plane, in terms of the parameters given.
For an RC circuit with a time constant of 1.0ms and assuming switch was closed at t=0, i) What is the time for the voltage across resistor to equal 10% of its initial value ii) What is the time for the voltage acro..
Calculate the converter voltage VC1, reactive power, the converter phase current and modulation index.
Suppose that a voice signal normally occupies 30 kHz of bandwidth and has a signal-to-noise ratio of 20 dB. Spread-spectrum techniques are used to increase its bandwidth to 2 MHz. (a) What is the signal-to-noise ratio of the spread signal
What approximate minimum BER is required for voice signals, data signals and what is the approximate BER level for the optical fiber systems ?
the worker's safety harness D-ring is attached to a 12-foot shock absorbing lanyard that is securely fastened to the structure at a point 40 feet above ground level. Does this arrangement violate OSHA standards for fall protection? Explain.
Locate and specify an appropriate sensor if it is to operate at 120 vac as an input to a PLC. Create the ladder diagram program to accomplish the specified control.
The gauge pressure on an air tank is measured to be 250 kPa at the surface of the water. Take the atmospheric pressure to be 100 kPa. The density of water is 997 kg/m3. a) What is the absolute pressure in the tank at the surface
The potentiometer is designed to rotate 330 degrees to give the full range of possible resistance. However, the actual measurement range that is used is only 165 degrees indicating positions of a liquid sensor float ranging from 0 to 10 cm (empty ..
Design an interface for a ±24 V, 500 mA geared DC motor. The time constant of the motor is 10 ms. Include software to adjust the delivered power from 0 to 100%.
Bandwidth, In a given communications system, one signaling element is used to represent 64 bits. The required data rate is 1.789 Mbps.
(a) Determine a unit vector in the direction of Q at P(1, 2, 1) (b) Find the component of Q at P in the direction of PT where T is point (5, 3, -4) (c) Where is Q the same as the unit vector of \(a_{x}+11a_{y}+10a_{z}\)
Use the fact that x = 2 and y = 0 at t = 0 to determine the appropriate value of the arbitrary constant in the solution set.
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