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1. A 20 μF capacitor is charged to a p.d. of 250 V. Calculate the energy stored.
2. The energy stored by a 400 pF capacitor is 8 μJ. Calculate the p.d. between its plates.
3. Determine the capacitance of a capacitor that stores 4 mJ of energy when charged to a p.d. of 40 V.
Connect the vendor's circuit to the model for the instrument and analyze its performance to determine if it will do the job.
1. A 3 phase, wye connected synchronous generator rated at 10kVA, 230V has a synchronous reactance of 1.2 ohms per phase and an armature resistance of 0.5 ohms per phase. Calculate the percent voltage regulation at full load if the power fact..
On the schematic shown below, two voltages and two currents are given.Find all of the other voltages and write them in the rectangles next to the resistors.
An initially charged capacitance discharges through a resistance. At one time constant, what percentage of the initial voltage remains What percentage of the initial soted energy remains
This implementation is sometimes called the coupled form oscillator, since, when the input is excited by an impulse, the outputs are sinusoidal.
Determine the type and stability of the critical point. Then find a real general solution and sketch or graph some of the trajectories in the phase plane. Show the details of your work.
Consider two identical and redundant CFR (Constant Failure Rate) components having a guaranteed life of 2 months and a failure rate of 0.15 failures per year. What is the system reliability for 10,000 hours of continuous operation
Generate the direct and quadrature signal space components of a binary PSK signal we let Ac = 1 and km = π in (9.24) and (9.25).
Three single-phase transformers, each is rated at 10 kVA, 400/300V are connected as wye- delta configuration.
Plot iL(t) versus time when iL(0) = 0 A. (a) Solve using Multisim. In Multisim use the exponential voltage source, and set its initial value to 15 V and the pulsed value to 0 V.
Assume Vcc = 15 and Vee = -15 volts. How stable will the collector voltages be for changes of transistor (all 2N3904), and for temperatures from 0°C to 75°C? Is this a stable biasing scheme and are the resistor values suitable
Horn antenna. Modify your 2D TE simulation code to excite a horn antenna, as illustrated in Figure 7.8c. Excite the antenna with an y source at the left end of the antenna, with a given voltage across the antenna plates (note that this 2D horn is ..
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