ELECTRICITY FOR TRADES
ELECTRICITY FOR TRADES
3rd Edition
ISBN: 9780078118630
Author: Petruzella
Publisher: RENT MCG
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Chapter 2.2, Problem 9RQ

Explain the main characteristic of a semiconductor diode.

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In the circuit of the figure, ε = 12.2 V, R = 7.34 Ω and L = 5.48 H. The battery is connected at t = 0. Determine: a) The amount of energy delivered by the battery during the first 2.00 s. b) The amount of energy stored in the magnetic field of the inductor. c) The amount of energy dissipated in the resistor.
4) For the sinusoidal signal m(t) = 2 sin(1000πt + 0.0557), shown down, is sampled, quantized and then encoded using the PCM technique. If a uniform quantizer, with 8 levels and a dynamic range [-2, 2], is used (a) Calculate the first 4 quantized samples and the ciated quantization errors. (b) Calculate the maximum quantization error (c) Calculate the signal-to-quantization- noise ratio. (d) Calculate the resultant bit rate. italicio (e) If it is required to increase the signal-to-quantization-noise ratio by 6 dB, how many quantization levels should be used in this case? What is the ratio between the new bit rate and the previous bit rate? msec
The current of a 90.0 mH inductor changes with time in the form I=1.00t2 - 6.00t (in SI units). Determine the magnitude of the induced fem at a) t=1.00 s b) At what time will the fem equal zero?
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Diodes Explained - The basics how diodes work working principle pn junction; Author: The Engineering Mindset;https://www.youtube.com/watch?v=Fwj_d3uO5g8;License: Standard Youtube License