If the Brush of DC motor is shifted by 90 deg, then what happens to voltage and torque? Both voltage and torque are zero. how to justify the answer?

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what is difference between neutral& grounding?

6 Answers  

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why is using sensor?what is differece between photoelectric and proxmitty?

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wht is embedded systems? what is new inthis field?

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Why the power factor of the alternator in power plant is kept .8 lagging. Can't we maintain it at 1.

3 Answers  

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salam,hi, i need to know what the spesification of 300amp msb...

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what is range ACB

11 Answers  

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State the other types of Air Conditioners?

0 Answers   HSL,

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Any one can explaination about calibration with rotating sub standards?

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how to reduce earth to neutral voltage?

8 Answers   Field Gun Factory,

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Regarding units, for voltage we are denoting Volts as V but in case of current we are not denoting Ampere as A instead as I..Why..? Any technical reason for this..?

1 Answers  

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how can I calculate charging current of cable/overhead conductor? what is roll of voltage in it ?

0 Answers  

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