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Two strands of infinitely long current rights carry currents of equal magnitude. Find the magnetic field produced by the two filaments at the midpoint between the two strands. Compare this result if the currents: a) have the same direction, b) have opposite direction.
Measurements show that for a particular arrangement of the equipment and at a particular amplifier setting, the system will howl if 1% of the output power is fed back to the microphone. Estimate the power gain of the P.A. amplifier in decibels.
Resisitive load, A 4:1 step down transformer uses a 60Vac source on the primary windings.
if the analog signal to be quatized is a sinusoidal wave form x(t)=9.5sin(2000*pi*t), and if the bipolar quatizere uses 6 bits - what are the number of quantization levels - quantization step size or resolution, delta, assuming the signal range
An adiabatic piston cylinder contains 1 kg of R-134a. Initially the conditions inside the piston are 200 kPa and 0 degrees C. An electric heater inside the device runs with constant voltage of 110 V and a constant 0.1A of current for one hour
Explain the structure and nature of the ionosphere with reference to daily, seasonal and long-term changes and explain the modes of propagation of radio waves of different frequencies
Fourier transform X(w)=Xreal(w)+j(Xi(w)). Determine and represent the signal y(w) that gives the fourier transform of Y(w)=Xi(w)+Xreal(w)e^exp(j2w).
The receiver takes the three received bits and decides which bit was sent by taking the majority vote of the three bits. Find the probability that the receiver makes a decoding error.
Simple in concept, but complicated in execution because of the resulting integrand: Explicitly evaluate (in Cartesian coordinates) the surface integral (flux) over the surface S defined as the face of the cube that is perpendicular
The tuning control is required to provide a uniform, linear change in frequency for a fixed rotation of the knob, e.g., 25 kHz per revolution at any operating frequency. You are considering three options for controlling the frequency
Determine the standing wave pattern for the voltage in the line. Express the result in real insantaneous form and simplify
During the cyber security activity conducted in class by Renee Etoty, you were asked to identify systems that were conducting or experiencing cyber attacks. You will use the data provided during this activity to develop a program to display.
b) find nonhomogeneous solution with method of undetermined coefficient with constants evaluated c) combine homogeneous soluton with nonhomogeneous solution to form the general solution calculate the unknown constant in homogeneous part
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