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GATE 2023 Electrical Machines Quiz 38

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Question 1

For a given applied voltage and current an universal motor runs at

Question 2

A stepper motor has a step angle of 2.5°. If the shaft is to make 25 revolutions, the number of steps required will be

Question 3

A stepper motor has 130 step per revolution. Find the input digital pulse rate that produces of the shaft at the speed of 10 revolution/sec __________.

Question 4

The role of micro-stepping mode in stepper motor is to

Question 5

A single-stack, eight poles (stator) stepper motor has five rotor teeth. The phases are excited one at a time. The step size will be ________

Question 6

For a reluctance motor, the maximum average torque occurs when δ = ?
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Jun 8ESE & GATE EE