Can you help by answering this question?

Norton's Theorem is a way to reduce a network to...

28 views
in DC motor by

Your answer

Thanks for your contribution. Feel free to answer this question. Please avoid short answer. Your answer is most welcome. Be genuine.

Upload image or document:

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
Are you a robot ? (Y = Yes / N = No)
To avoid this verification in future, please log in or register.

1 Answer

0 votes
by

When the armature of a D.C. motor rotates, e.m.f. induced is back e.m.f.

Related questions

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 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 15 views

The induced e.m.f. in the armature conductors of a d.c. motor is?

asked Mar 26, 2018 in DC motor by Shimroz123
1 answer 39 views

The normal value of the armature resistance of a d.c. motor is?

asked Mar 26, 2018 in DC motor by Shimroz123
1 answer 18 views

As there is no back e.m.f. at the instant of starting a D.C. motor, in order to prevent a heavy current from flowing though the armature circuit?

asked Mar 20, 2018 in Electrical Machine by Shimroz123
1 answer 23 views

Which of the following quantity maintains the same direction whether a D.C. machine runs as a generator or as a motor a. Induced e.m.f. b. Armature Current c. Field Current d. Supply Current  

asked Sep 1, 2018 by Shimroz123
1 answer 36 views

A 200 V dc shunt motor is running at 1000 rpm and drawing a current of 10 A. Its armature winding resistance is 2 Ohm. It. is braked by plugging. The resistance to be connected in series with armature to restrict armature current to 10 A, is

asked May 3, 2018 in Electrical Machine by Shimroz123
1 answer 32 views

A 400 V, 50 Hz three-phase induction motor rotates at 1440 rpm on full -load. The motor is wound for

asked Apr 29, 2018 in Electrical Machine by Shimroz123
2 answers 55 views

Armature control of DC motor

asked Aug 9, 2017 in Electrical Machine by Zeeshan
1 answer 32 views

An electric motor in which both stator field and rotor rotates with same speed is called?

asked Mar 18, 2018 in Synchronous machine by Shimroz123
0 answers 26 views

What is the back EMF of a dc motor?

asked Mar 15, 2018 in Electrical Engineering by Quiz
1 answer 12 views

The Eb/V ratio of a d.c. motor is an indication of its?

asked Mar 26, 2018 in DC motor by Shimroz123
1 answer 30 views

In a d.c. motor, unidirectional torque is produced with the help of

asked Mar 26, 2018 in DC motor by Shimroz123
1 answer 17 views

D.C. motor is to a drive a load which is almost nil for certain part of the load cycle and peak value for short duration. We will select the?

asked Mar 20, 2018 in DC motor by Shimroz123
1 answer 72 views

D.C. motor is to drive a load which has certain minimum value for most of the time and some peak value for short duration. We will select the?

asked Mar 20, 2018 in DC motor by Shimroz123
0 answers 26 views

Explain the term self induced EMF with a neat diagram.

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 21 views

A d.c. motor can be looked upon as d.c. generator with the power flow?

asked Mar 26, 2018 in DC motor by Shimroz123
2 answers 13 views

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

asked Sep 4, 2018 by Shimroz123
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 17 views

The mechanical power developed by the armature of a d.c. motor is equal to?

asked Mar 26, 2018 in DC motor by Shimroz123
1 answer 15 views

The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be?

asked Mar 21, 2018 in DC generator by Shimroz123

Welcome to electronics2electrical.com here you can ask questions related to electrical, electronics, mechanical, telecommunication, instrumentation, computer, mathematics, physics etc.
Be respectful to all the members. Do not copy and paste the answers from other websites which have copyright content. While asking question give full details about it.

Categories

Most popular tags

power motor dc circuit transformer voltage current used system phase resistance factor synchronous load ac energy induction electric generator series frequency between speed capacitor use electrical meter line difference control type mosfet transmission magnetic plant high single instrument bjt unit source advantages function diode and machine winding field define torque parallel amplifier supply shunt thyristor motors electricity arduino maximum time relay armature problem value on transformers types coil diagram state flow ratio material three formula starting direction theorem method emf operating efficiency digital wave microprocessor test instruments inductance loss measure operation connected signal low applications effect single-phase network temperature working constant losses different law wattmeter measuring compare controlled breaker drive device logic rc full switch flux wire resistivity disadvantages free of materials machines angle force converter conductor transistor gain open protection scr core measurement number bridge principle generators reactance circuits negative the friction iron loop short pole battery conservation steam resistors hysteresis computer using analog lines secondary station gate a rectifier inverter linear induced relays nuclear capacitance basic characteristics design direct work rotor electronics ammeter forces diesel damping rlc connection factors capacitors minimum insulation moving regulation running self systems air fault range main stability quality starter igbt eddy alternator ideal rl average 3-phase plants arc thermal error fuzzy biasing dielectric pressure balanced superposition errors copper rotation feedback impedance measured electronic electrons charge inductive transfer explain start off back curve over solar is three-phase tariff locomotive peak bias zener engineering commutator surge conductors rating universal potentiometer density permanent mechanical transducer capacity memory adc excitation two fuse pure harmonics application semiconductor inductor internal pmmc reaction welding resonance traction permeability breakers rms designed electromagnetic si generation brushes switching capacitive shaded rate 1 distribution resistor methods delta star oscillator reluctance simplification algebra 8085 boolean weston dynamometer insulating strength installation definition fuel heating earth units

8,450 questions

7,047 answers

133 comments

3,086 users

...