The Brushes on DC machine are always placed on—————, in order to achieve sparkles commutation?

February 7, 2022

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The Brushes on DC machine are always placed on—————, in order to achieve sparkles commutation?

Q. The Brushes on DC machine are always placed on—————, in order to achieve sparkles commutation?

A. MNA

B. GNA

C. Either GNA or MNA

D. None of the above

Answer: MNA

The Brushes on DC machine are always placed on—————, in order to achieve sparkles commutation?

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A 240 V DC series motor takes 40 A when giving its rated output at 1500 rpm. Its resistance is 0.3 Ω. The value of resistance which must be added to obtain rated torque at 1000 rpm is

The Brushes on DC machine are always placed on—————, in order to achieve sparkles commutation?

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The deciding factor in the selection of a d.c. motor for a particular application is its ……………..characteristic.

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