Explain why the armature current of a DC motor becomes excessive when it is stalled.
What will be an ideal response?
At low speed, the CEMF of the armature decreases, causing its current to rise.
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____________________ output modules are used for interfacing with discrete or integrated circuit (IC) TTL devices, LED displays, and various other 5 V DC devices.
Fill in the blank(s) with the appropriate word(s).
Evidence indicates that the lobe-finned fish were ancestors of amphibians
Indicate whether the statement is true or false
The accompanying figure shows the parts of a window. What is feature 10?
A. Rail B. Glass C. Stop D. Stile
After Alexander’s death, the great men that had been closest to him were
a. ready to abandon the empire they had helped create. b. realists who established viable dynastic kingdoms. c. warriors loyal to his half-brother and infant son by Roxane. d. committed to his dream of creating an enduring Greek empire.