What will happen if you increase the current in the motor?

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asked Mar 15, 2018 by anonymous

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The current drawn by the armature of D.C. motor is directly proportional to?

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Last answer: For a D.C. shunt motor if the excitation is changed torque will change but power will remain constant.

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asked Mar 20, 2018 by anonymous

If the field of a D.C. shunt motor gets opened while motor is running?

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If a single phase induction motor runs slower than normal, the most likely defect is?

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If field current is decreased in shunt dc motor, the speed of the motor

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Last answer: increases

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asked Mar 20, 2018 by anonymous

If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens?

Last answer: If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens this will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses.

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If a D.C. motor is to be selected for conveyors, which motor would be preferred ?

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What is mean by plugging in three phase induction motor?

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asked May 22, 2018 by anonymous

If the current in the armature of do series motor is reduced to 5%, the torque of the motor will become:

If the current in the armature of do series motor is reduced to 5%, the torque of the motor will become: (1) 50% of the previous value (2) 25% of the previous value (3) 150% of the previous value (4) 125% of the previous value

Last answer: If the current in the armature of do series motor is reduced to 5%, the torque of the motor will become: 25% of the previous value

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asked 5 days ago by anonymous

A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? (1) Increase (2) Dacrease (3) Remain constant (4) Will increase first and then dcrease

Last answer: Increase

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1 view 1 answer

prasadnani · Answer 1 · 2019-06-01T10:12:51+0000

Increasing current means increasing frequency of the motor because current is directly proportional to rotations of the motor rotor

What will happen if you increase the current in the motor?

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