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The coil area is 2.7 mm*mm, the number of turns is 187; it also has an iron core with permeability mu= 600. How long must the coil be to have an inductance of 8.3 mH?
a) Evaluate the net outward flux through the closed surface of the unit cube. b) Evaluate also the triple integral over le volume v and check if the divergence theorem is satisfied. F(x,y,z)=ix^2y+jy^2z+kxz^2
If a logic circuit with I_OH = 4.5 V is driving and LED with a 330 ohm limiting resistor, what is the current rating for the LED if the forward voltage drop is 1.8 V
What is the maximum symbol rate which can be sent over this link? If a binary line code is used, what is the maximum bit rate? What is the maximum bit rate with 4-ASK symbols?
A single silicon photovoltaic cell is found to have an open-circuit voltage of 0.6 V and a short-circuit current of 15 mA in full sunlight. Show how a collection of these cells can be arranged to deliver 500mW at 9.0V into a load.
A woman is standing in the ocean, and she notices that after a wave crest passes by, five more crests pass in a time of 37.7 s. The distance between two successive crests is 34.7 m. What is the wave's (a) period, (b) frequency, (c) wavelength, and..
Find the voltage drop Vab where a is the point (1,0,0) and b is (2,pi/2,1). In the the description of these points, the cylindrical coordinate notation (p,phi,z) is used, where dimensions are in [m] and angles are in radians. Voltage drop is path ..
What are the test inputs we use to evaluate steady-state error (SSE). How many integrations in the forward path are needed (type of the system) to get zero SSE for each of these test inputs.
Two parallel connected 10 kV to 120 V 60 Hz single phase transformers supply a varying load. Assuming 0.85 PF, what is the maximum load current that can be supplied by this parallel combination of transformers wihout overloading either of them
Consider a step-down transformer with 15 turns in the primary and 6 turns in the secondary windings.Calculate the input impedance of this transformer loaded to an 8 O resistor, assuming that series resistances of the windings are negligible.
The transfer function of a discrete time system is given by H H(z) = z/(z-0.5) The system has a sampling rate of 100 Hz. Calculate the frequency response of the system at 25 Hz input frequency as a complex number in both rectangular and polar f..
Discuss why phasor analysis can only be performed on single-frequency circuits. For multiple frequencies what type of analysis must be performed.
A certain battery has terminals labeled a and b. The battery voltage is vab = 12 V. a) To increase the chemical energy stored in the battery by 600J, how much charge must move through the battery
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