Answer / sai bhargava

Dc machimes are designed like that angle betwean the stator flux and rotor flux is 90 degree to produce unidirectional torque

Answer / umesh

The torque formula for dc motor is T=k(current * flux)
The commutator with brush converts the dc into ac which produces alternating flux.It means both armature current and flux are positive or negative at the same time.

How Earthing is prevents shock?Explain

4 Answers  

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0 Answers   NA,

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0 Answers   ABC,

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4 Answers  

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0 Answers  

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2 Answers  

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0 Answers   Marriott,

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17 Answers   GoodYear, Hotline Glass, HSL,

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9 Answers   Bhel,

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how give earthing to shif and aeroplane which is away from earth?

1 Answers   ABC,

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3ph line voltage 220v, how can run a 220v single ph motor or Light?

2 Answers  

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whatis the commertial spec. of distribution boards ?

0 Answers   Bosch,

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