The number of ____________________refers to the load contacts and does not include the number of control or auxiliary contacts.
Fill in the blank(s) with the appropriate word(s).
poles
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A triangle that is similar to a 3-4-5 right triangle is a ____.
a.2-3-4 b.6-8-12 c.12-16-20 d.15-20-25
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The pitch of a sound is related to
A) sound energy. B) sound speed. C) sound frequency. D) all of the above. E) none of the above.
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The support at A prevents rotation and horizontal displacement but permits vertical displacement. The shear plate at B is assumed to act as a hinge. Determine the moment at A and the reactions at C and D.
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(a) In the circuit in Fig. 4.71, calculate v? and I? when vs = 1 V. (b) Find v? and i? when vs = 10 V. (c) What are v? and I? when each of the 1-? resistors is replaced by a 10-? resistor and vs = 10 V?
 FIGURE 1.png)
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