The heat curve in a motor is given as $\theta = \left( {1 - {e^{ - \frac{t}{\tau }}}} \right)$. The heating time constant of motor is defined as the time required to heat up the motor upto:

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TuteeHUB · Accepted Answer

0.333 times its final temperature rise, and it is equal to T/2

TuteeHUB · Answer

0.333 times its final temperature rise, and it is equal to T

TuteeHUB · Answer

0.633 times its final temperature rise, and it is equal to T

TuteeHUB · Answer

0.633 times its final temperature rise, and it is equal to T/2

1.	The heat curve in a motor is given as \(\theta = \left( {1 - {e^{ - \frac{t}{\tau }}}} \right)\). The heating time constant of motor is defined as the time required to heat up the motor upto:
A.	0.333 times its final temperature rise, and it is equal to T
B.	0.633 times its final temperature rise, and it is equal to T
C.	0.333 times its final temperature rise, and it is equal to T/2
D.	0.633 times its final temperature rise, and it is equal to T/2
Answer» C. 0.333 times its final temperature rise, and it is equal to T/2

The heat curve in a motor is given as \(\theta = \left( {1 - {e^{ - \frac{t}{\tau }}}} \right)\). The heating time constant of motor is defined as the time required to heat up the motor upto:

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