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Explain the significance of over modulation.

Recent questions tagged emf

1 answer 10 views

What is Phase sequence? Draw waveforms of 3 phase emf.

asked Sep 7, 2018 by Shimroz123
2 answers 13 views

Compare statically induced emf with dynamically induced emf on any four points.

asked Sep 4, 2018 by Shimroz123
0 answers 26 views

Explain the term self induced EMF with a neat diagram.

asked Aug 8, 2018 by Quiz
3 answers 92 views

Define: 1) statically induced EMF 2) dynamically induced EMF Write the names of equipments in which these two types of EMF get induced

asked Aug 8, 2018 by Quiz
1 answer 25 views

List the two types of induced EMF.

asked Aug 8, 2018 by Quiz
1 answer 16 views

The induced emf in the armature of a lap -wound four -pole dc machine having 100 armature conductors rotating at 600 rpm and with 1 Wb flux per pole is  (1) 1000V (2) 100V (3) 600V (4) 10,000V

asked Apr 29, 2018 in Electrical Machine by Shimroz123
1 answer 17 views

The fractional-pitch used for eliminating 7th harmonic from the emf wave of an alternator is (A) 2/3 (B) 5/6 (C) 7/8 (D) 6/7

asked Apr 28, 2018 in Electrical Machine by Shimroz123
1 answer 15 views

The counter e.m.f. of a d.c. motor?

asked Mar 26, 2018 in DC motor by Shimroz123
1 answer 19 views

The back emf of synchronous motor depends on?

asked Mar 18, 2018 in Synchronous machine by Shimroz123
0 answers 12 views

Do AC induction motors have back EMF?

asked Mar 15, 2018 in Electrical Engineering by Quiz
0 answers 20 views

What is back EMF of synchronous motor?

asked Mar 15, 2018 in Electrical Engineering by Quiz
0 answers 87 views

What is back EMF in inductor?

asked Mar 15, 2018 in Electrical Engineering by Quiz
0 answers 16 views

What is the back EMF in Transformers?

asked Mar 15, 2018 in Electrical Engineering by Quiz
0 answers 26 views

What is the back EMF of a dc motor?

asked Mar 15, 2018 in Electrical Engineering by Quiz
0 answers 13 views

What is the back EMF of the motor?

asked Mar 15, 2018 in Electrical Engineering by Quiz
1 answer 22 views

What is the back EMF?

asked Mar 15, 2018 in Electrical Engineering by Quiz
1 answer 41 views

What is the EMF equation of the transformer?

asked Dec 22, 2017 in Fundamentals of electrical power systems by Quiz
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