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A solenoid consists of 400 turns per meter and carries a currentof .45 Amperes. A 20 turn coil is wrapped tightly around thecircumference of the solenoid. The ends of the solenoid areconnected to a 2 Ohm resistor. Suddenly a switch is opened and thecurrent in the solenoid dies to zero in a time of .15 seconds. Theaverage current induced in the coil is 3*10^-5 Amperes. What is the cross sectional area of the solenoid?
Bandwidth, In a given communications system, one signaling element is used to represent 64 bits. The required data rate is 1.789 Mbps.
A 150 MVA, 24 kV, 123% three-phase synchronous generator supplies a large network. The network voltage is 27 kV. The generator operates with an induced voltage, which is twice the rated line-to-neutral voltage.
It starts from rest at the origin. Show that it moves in a cycloidal path and drift velocity or the velocity of the center of the rolling circle along the z axis. If the electric field is 10^4 volts/cm, and the magnetic field 10^4 gausses. find th..
A 1.0 dc voltage source is connected across a 10 ohm resistor. What is the current through the resistor if (a) the voltage source is ideal (b) the voltage source has internal resistance 0.1 ohm (c) internal resistance 1.0 ohm
Low-cost audio power amplifiers often avoid direct coupling of the loudspeaker to the output stage because any resulting dc bias current in the speaker can use up (and thereby waste) its limited mechanical dynamic range.
Suppose that a current source is feeding an amplifier with input resistance of 5k ohms. The current source can be approximated with it Norton equivalent circuit delivering Norton current of I=50mA and having a resistance of 10k ohms.
An 8 bit shaft encoder is used to give the rotary position of a robot arm. What is the shaft encoder's value just before, and just after, the arm sweeps past 90 degrees while moving clockwise What is the sensitivity of the system
for the circuit where Vr=30 Ohms, L=20 mH, C=39uF, and e=squareroot of 2(20)sin(1000t+40 degrees) a. Determine I, Vr, and Vc in phasor form b. Calculate the total power factor and indicate whether it is leading or lagging
Write a c program that reads in ten integers from the user on a single line, and determines and prints the largest and the smallest integers in the group. If either the largest or smallest integer is a prime number, have your program indicate this..
An inductor and a capacitor are connected in series and connected to a variable frequency voltage source (e.g., a function generator). Explain what happens to the total circuit impedance and current as the source frequency is varied.
Computer the following assuming each number is a two's complement number and indicate the inputs and final result in decimal. Also, indicate if the number overflows. a. 01 + 1011 b. 11 + 01010111 c. 1101 + 110 d. 01 + 10 e. 111 + 111111
Notice that when C begins sending, the signal due to the frame from A has not reached station C yet. If it reached, station C would not send it. How many bits from station C have already been sent when it hears the signal from A
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