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Frequency. How does the frequency of the harmonic oscillation change if we (i) double the mass, (ii) take a spring of twice the modulus? First find qualitative answers by physics, then look at formulas.
(b) This voltage is measured using a defective voltmeter, which always indicates a lower reading than the actual value. Suppose the voltmeter reading is 2.5*10^(-4). Calculate the probability that the error is not more than 0.5 *10^(-4).
It operates at a power factor of 0.85 (lagging) at its rated conditions. Calculate the per-phase current that has to be carried by the cables to the power electronics converter and the step-up transformer located at the base of the tower.
Derive at least four concept designs to satisfy the given specification
What is the maximum power dissipated in the load when the Thévenin voltage is 17 V cos(37 rad/s t + 24°), the Thévenin impedance is 127 -j 182-ohm and the load impedance is 127 + j 182-ohm
Findthe following for an input of 120 VAC(RMS), 60 hertz, given a 17:1 stepdown transformer, and a full-wave bridge rectifier. Rload is 120 ohms. Round off to the nearest tenths place.
apply the mesh current method to the network of figure 4-33 and write the matrix equation by inspection. obtain
For the diode that conducts 2mA at a forward voltage drop of 0.3vand whose n=2. Find the equation of the straight line tangent at ID=2mA
An NMOS differential pair is biased by a current source I = 0.2 mA having an output resistance Rss = 100 K ohm. The amplifier has drain resistances Rd = 10 k ohm. using transistors with k'nW/L = 3 mA/V^2 and ro that is large.
Consider a three-phase distribution feeder with line reactance of10 ohm supplying a three-phase Y-connected load of 200 kVA at power factor of 0.85 lagging.
A steady voltage of 0.75V is applied to an op amp integrator having component values of R = 200 k and C =2.5 μF. Assuming that the initial capacitor charge is zero, determine the value of the output voltage 100 ms after application of the input.
Sketch the schematic for a RC low-pass filter with a 3 dB cutoff frequency of 500 Hz, i.e., the output at 500 Hz is 1/2 = 0.707 of the filter output at DC. What RC time constant must the filter have
A quantity of electric charge brings about the decomposition of 4.5 g Al from Al+3 at the cathode. How much volume (STP) of H2(g) from H+ at the cathode will be produced using the same quantity of electric charge?
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