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A 100 F double layer carbon capacitor has a working voltage of 3 V and overall dimensions 303030 mm. What is the volumetric efficiency of the capacitor? It is required to use a pack of such capacitors to operate at 300 V. Estimate the volumetric efficiency of the 300 V pack. Compare the energy densities (J/kg) of the single cell and cell pack.
Describe what precautions you will take in designing the analog front end of the instrument before you perform the sampling for DSProcesing. Justify your claims by using engineering arguments.
Potential in infinite channel. The geometry in Figure 5.49 is made of a semi-infinite channel bounded by the planes x = 0, x = ∞, y = 0, y = b. Three sides are held at zero potential and the fourth is isolated from the others (between y = 0 and y ..
Sketch the circuit symbol for a transformer, and explain its principle of operation. Why is the core made from laminations? Is the core material a ‘ hard ' or a ‘ soft ' magnetic material? Give the reason for this.
The energy (power) in Watts in an electrical circuit is described by P = VI, where V is volts and I is current
Sketch the speed-torque characteristic of a dc series motor and advance the underlying reasoning for the nature of the characteristic based on fundamental relationships of the dc machine.
At a certain location, the horizontal component of the earth's magnetic field is 3.70 10-5 T, due north. A proton moves eastward with just the right speed for the magnetic force on it to balance its weight. Find the speed of the proton.
An alternator has 8 poles. If the motor winding is rotated at 1500 rev/minute,
How much resistance is required to limit the current to 1.5 mA, if a 6v battery is connected across the resistance
For all transistors in the circuit in Figure in the text, the current gain is β = 50. - Calculate the power dissipation in the circuit when the input is at logic 0.
Simulate the AM demodulator in the EIA on page 122. Compare the spectra of the voltages across the two capacitors. The full-wave rectifier in Fig. P3.104 is operating at a frequency of 60 Hz, and the rms value of the transformer output voltage is ..
3. Which of the following is not an advantage of FETs over BJTs in RF amplifier usage. A) Their input impedance does not load down the Q of the circuit preceding the FET stage. B) The availability of dual gate FETs provides an isolated injection poin..
Several type 741 op-amps, some switching diodes,and +5 V and -5 V power supplies are also available. Draw acircuit diagram showing how an inverting amplifier with a gain of -1.5 can beconstructed with these components only.
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