gbrbogdan9665
08.04.2021 •
Physics
The input voltage to a DC motor is 12 V. The motor rotates at 2,200 rev>min at no load (maximum speed). Stall torque is 0.44 N-m, and the corresponding current is 9.0 A. Operating at 1,600 rev>min, the torque is 0.12 N-m, and the current is 2.7 A. Based on these values, determine:
a. the torque constant
b. voltage constant
c. armature resistance of the motor.
d. how much current does the motor draw operating at 1,600 rev/min
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Ответ:
Its radius is thought to be around 1400 times than of our sun, and its luminosity 270,000 greater than our sun. Also, if a star has the same radius as the sun but a higher surface temperature, the hotter star exceeds the sun in luminosity
Explanation: