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1. A long hollow, cylindrical conductor (inner radius 2.4 mm, outer radius 4.1mm) carries a current of 49 A distributed uniformly across its cross section. A long thin wire that is coaxial with the cylinder carries a current of 36A in the opposite direction. What is the magnitude of the magnetic field (in mT)
(a) 1.3mm (b) 2.5mm
(c) 4.9 mm from the central axis of the wire and cylinder?
2. A long straight wire carries a current of 69.6A. An electron, traveling at 8.61 x 10^7 m/s, is 5.14 cm from the wire. What is the magnitude of the magnetic force on the electron if the electron velocity is directed
(a) toward the wire,
(B) parallel to the wire in the direction of the current, and
(c) perpendicular to the two directions defined by (a) and (b)?
Suppose we want to construct a parallel plate capacitor of C= 1[F] using square plates. (a)If the dielectric is air (Xr= 1), and the plates are separated by 1 cm, what dimensions will the plates have
Consider a power-output stage with voltage gain A1=1, an input signal Vs=1V, and a hum Vn of 1V. Assume that this power stage is preceded by a small-signal stage with gain A2 =100V/V and that overall feedback with β=1 is applied.
A low pass filter has a cut-off frequency of 8kHz and a high pass filter has a cut-off frequency of 5kHz. These two circuits are connected back to back in cascade to form an input-output system.
a). Write the mathematical expression for a waveform that alternates sinusoidally between between -5 mA and 0 mA with a frequency of 1kHz.b). Repeat,but for a waveform alternating sinusoidally between -10 V and -15 V with a period of 1 microseconds.
What is the impedance of a resistor R in parallel with a series combination of a capacitor C and an inductor L? Assume angular frequency omega(w).
An alarm is powered by 120 VAC, and the on/off state of the alarm is controlled by an EM relay. Design the interface between a computer output port and the EM relay. The dropout voltage is 3.5 V, and the coil current needs
Design a high pass AC filter that meets the amplitude response of the bode plot in the given image. Use reasonable values for the components. Draw the circuit schematic showing all component values. Draw the bode plot phase response for the design..
Seawater with a specific weight of 64.0 lbs/ft^3 is at a level of 4 feet above the centerline of the exit pipe. The tank is closed at the top and there is a pressure of 1 psig above the seawater. What is the velocity at the end of the pipe
If a constant voltage drop of 16 V is maintained across an inductance of 140 mH that was initially carrying 1.6 A of current, how much time elapses before the inductor's stored energy reaches 590 mJ?
Write a program in C not C++ that reads 20 integers from the user and sums the odd and even numbers together. Also have the program output the ratio of the odd numbers to the even numbers.
A series RC circuit is powered by a voltage supply of 120Vac and60Hz. The resistor has a resistance of 80W and capacitive reactanceis 60W. (1) Sketch a schematic for this circuit (2) Determine the capacitance of the capacitor
Design a Moore sequential machine that has one input X and one output Y. Whenever X changes from 0 to 1, Y should become 1 for two clock cycles and then return to 0 - even if X is still 1. For example, given an input sequence X=0110101001.
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