Question: A 250-V, 4-pole, wave-wound d.c. series motor has 782 conductors on itsarmature. It has armature and series field resistance of 0.75 ohm. The motor takesa current of 40 A. Estimate its speed and gross torque developed if it has a flux per pole of 25 mWb Answer: Step 1 Mechanical Engineering homework question answer, step 1, image 1 Mechanical Engineering homework question answer, step 1, image 2 Step 2 Mechanical Engineering homework question answer, step 2, image 1 Step 3 Mechanical Engineering homework question answer, step 3, image 1

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Question:

Sequences (True or False)

1) The convergent sequences {an} and {bn} differ in their first 100 terms, but an=bn for n>100. It follows that the lim as x->infinity an = lim as x->infinity bn.

2) If {an} = {1,1/2,1/3,1/4,1/5....} and {bn} = {1,0,1/2,0,1/3,0,1/4,0....}  then the lim as x->infinity an = lim as x->infinity bn.

 

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