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What is a 3 speed?
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A 3 φ I.M. has synchronous speed of 250rpm and 4% slip at full load. The rotor has a resistance of 0.02Ω/ph and stand still reactance of 0.15Ω/ph. Calculate i) The speed at which max torque is developed. ii) The ratio of maximum to F. L. torque. iii) The ratio of maximum to starting torque.

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Define slip and synchronous speed of 3 phase induction motor.

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Calculate speed of motor when delivery maximum voltage. Also calculate the resistance to be added to achieve 3/4th of maximum torque at time of starting.

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What is a torque-speed curve?
Answer : A **torque-speed curve** is a graph that shows the relationship between the torque (rotational force) and the speed (angular velocity) of a motor. It helps to understand how a motor's output ... have a linear relationship, while **AC motors** might have a different curve depending on their design....

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How does a flash ADC achieve high-speed conversion?

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What is the purpose of a T-coil in high-speed circuits?

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How does a variable frequency drive control motor speed?

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How does a wind power converter manage variable speed operation?

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What is the purpose of a phase interpolator in high-speed serial links?

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Is wave speed a vector quantity?
Answer : Wave speed is not a vector quantity. It is a **scalar** quantity. Wave speed refers to how fast a wave propagates through a medium, and it is described by a single value (magnitude). ... propagation** can be considered when describing the wave's movement, but wave speed itself remains a scalar....

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Explain with the help of a neat diagram the following methods of speed control for a DC series motor: (i) Field diverter method. (ii) Tapped field method.

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Describe with a suitable diagram speed control of a d.c shunt motor by field current control method.

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How do you control the direction and speed of a stepper motor?

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How does a variable frequency drive (VFD) control motor speed?

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What is the voltage of the Hall effect speed sensor?

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