Electrical Wiring Residential
18th Edition
ISBN: 9781285170954
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Chapter 20.1, Problem 3R
Is it permissible to use standard 60°C insulated conductors to connect all counter-mounted cooking units? ___________________________________________________ Why? ________________________________________________________________
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An FM signal with 75 kHz deviation, has an input signal-to-noise ratio of 18 dB, with a
modulating frequency of 15 kHz.
1) Find SNRO at demodulator o/p.
2) Find SNRO at demodulator o/p if AM is used with m=0.3.
3) Compare the performance in case 1) and 2)..
Hint: for single tone AM-DSB-LC, SNR₁ = (2m²) (4)
Find Va and Vb using Nodal analysis
Calculate the nodal voltage in the circuit
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