Which of the following hinders an animal's optimal growth?
a. Parasitic infection c. Stress
b. Disease d. All answers are correct.
D
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Carbohydrates that are composed of two monosaccharides are called ____________________
Fill in the blank(s) with correct word
When using a meter with a manual scale setting always:
A) Start with the lowest scale and work up to get an accurate reading. B) Start with the highest scale and work down to get an accurate reading. C) Set the scale based on what you expect the reading to be. D) The scale setting does not affect the reading.
If the load current increases in a simple zener regulator, the ________
A) total current decreases B) current through the series resistor decreases C) zener current increases D) zener current decreases
A periodic rectangular pulse train f(t) shown below has amplitude A = 1 V, pulse width ? = 0.35 ms, and period T0 = 1 ms. The pulse is centered at t = 0.
(a) Find the fundamental frequency f0 of this signal.
(b) Find the duty cycle d of this signal.
(c) Find the numerical values of a0, and an for 1 ? n ? 5.
(d) Plot the one-sided magnitude spectrum for 0 ? f ? 5f0.
(e) Plot the one-sided phase spectrum for 0 ? f ? 5f0.
(f) Find the expression of approximation ˆ( ) f t consisting of the dc component, the fundamental component, the second harmonic component, and the third harmonic component of its trigonometric Fourier series (sum of cosines). The coefficients must be numbers.
