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As the load is increased the speed of DC shunt motor will ___________

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As the load is increased the speed of DC shunt motor will ___________

(a) Reduce slightly

(b) Increase slightly

(c) Increase proportionately

(d) Reduce rapidly

I had been asked this question at a job interview.

The query is from Operating Characteristics of DC Shunt Motor topic in division Characteristics of DC Motors of DC Machines

1 Answer

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Correct answer is (a) Reduce slightly

For explanation: As the load is increased, speed of the DC motor will reduce slightly, the change is so negligible that in many cases it is assumed that speed of the DC motor remains constant. Hence, characteristic is also called as shunt characteristic.

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