When electric field is parallel to the plane of incidence, the electromagnetic wave is said to be a.Linearly polarized b.circularly polarized c. Elliptically polarized d. Hyperbolically polarized

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what is the relation between the leading pf and supply voltage?

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what is the best way to start a 15 KW motor for pump star-delta or direct on line ? and from how many KW i must use direct on line ?

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What is meant by Energy Efficient Transformers??? give significance

1 Answers   MahaGenco,

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why voltages are multiple of 11 or 1.1???describe with derivation plzzz.thanks

2 Answers  

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how electricity is generated an supplied till consumer

1 Answers   Power Grid,

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What is difference between unity power factor wattmeter and upper power factor wattmeter? In short circuit test of transformer the wattmeter used is unity power factor type or upper power factor type wattmeter?

0 Answers   Jindal Steel and Power,

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can we choose current transformer secondary, to calculate residual flux in a power transformer, so as its saturation is close to the saturation level of power transformer?

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why starting current is high and resistance is almost 0 during the starting of motor dc motor...?

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Why is it that polarization index type test is required for MV and HV motors and not for LV motors?

3 Answers   La-Gajjar Machineries, Qatar Airlines,

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why star point of motor shall not be grounded?

8 Answers  

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what is the use of vcb & isolator in substation?

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