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1. I want you to tell me how a peak-to-peak detector works. Then, I want you to tell me in what ways a voltage doubler is similar to a peak-to-peak detector and in what ways it differs from a peak-to-peak detector.
2. What is the advantage of using a bridge rectifier in a power supply as opposed to using a half-wave or a full-wave rectifier? Why is the bridge rectifier more efficient than the others?
Compare the field at the center of a Helmholtz coil pair and at the center of a solenoid, if both use the same total length of wire and carry the same current.Take the solenoid length equal to the spacing between the Helmholtz coils
Twenty voice signals are to be multiplexed and transmitted over twisted pair. What is the bandwidth required (in bps) if synchronous time division multiplexing is used
Policy of strict racial segregation imposed in South Africa to permit the continued dominance of whites politically and economically
A single-phase 50 Hz transformer has a voltage ratio of 230/2300 V. A capacitor rated 30 kVAR is connected on the 2300 V side. Calculate the value of this capacitor. What is the kVAR of the capacitor and the value of its capacitance as seen on 230..
What is the initial acceleration of the mass if it is released and allowed to move?
finds the larger of c and the maximum of a and b. The inputs and outputs are all 14-bit signed 2s-complement integers.
The rate at which thi filter "rolls off" at low frequencies is said to be 20 dB/ decade. Can you brief explain the meaning of this statement in terms of the way the output voltage varies with frequency at frequencies below fc
find the new speed and power factor,when connected to 22oV,25 hz. supply,the motor current remaining the same .The motor has total resistance of 1ohm.and total inductance of 0.1 H.
Assume that the "expert" really knows nothing about wine and randomly assigns ranks to the three wines. One of the wines is of much better quality than the others. What is the probability that the expert ranks the best wine no orse than second be..
Some of this is due to high frequency effects, and some is due to the relationship of the wavelength of the signal being set over the wire to the length of the conductor. describe both of these limitations and their effects
The power delivered to the element is p(t) = 0.60e-4t W. Compute the current in the element as a function of time, the voltage across the element as a function of time, and the total energy delivered to the element in the time interval 0
A certain amplifier has an input voltage of 100 mV rms, an input resistance of 100kΩ, and produces an output of 10Vrms across an 8-Ω load resistance. The power supply has a voltage of 15 V and delivers an average current of 2 A. Find the power dis..
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