Can you explain the difference between direct and alternating current? Definition: Alternating Current (AC) is a type of electrical current, in which the direction of the flow of electrons switches back and forth at regular intervals or cycles. … Direct current (DC) is electrical current which flows consistently in one direction.
What is armature reaction in generator? 3.10 Armature reaction in d.c. generators. Armature reaction is the effect on the main field flux of that flux set up by the currents in the armature winding. … 3.7 shows the two main poles of a d.c. generator and the distribution of the magnetic flux which crosses the airgap and enters the armature.
Why does armature reaction happen? The reaction caused by armature magnetomotive force is usually called armature reaction. The effect of armature magnetic field on the main magnetic field will distort the main magnetic field and produce armature reaction: … The armature magnetic field distorts the main magnetic field, half strengthens and half weakens.
What is armature reaction in alternators and what effect will it produce for pure capacitive and RL load? Armature Reaction in Alternator When Load Power Factor is Zero Leading. When a pure capacitive load (zero p.f. leading) is connected across the terminals of the alternator, the current in armature windings will lead the induced e.m.f. by 90°.
Can you explain the difference between direct and alternating current? – Related Questions
Do apple pencil alternatives have palm rejection?
First of all you’ve got both palm rejection, and a pressure sensitivity of 2,048, plus tilt support, meaning you can achieve great shading in your artwork. It also supports most iPad apps, and with its USB-C charging, you can get a solid 10 hours of continuous use out of it.
What is the estimated cost of an alternator?
Alternators can average anywhere from $100 to $350 depending on make and model. Most vehicles will have an average cost between $350-400 for the total job of an alternator replacement if no other parts need to be replaced. If the serpentine belt is included in the process, add another $20 to $50 to your bill.
What is the difference between alternative and alternate?
‘Alternative’ means there are two (although some writers now use ‘alternatives’ for more than two) choices. ‘Alternate’ is the act of going between these choices, states or actions. … Remember, ‘alternate’ is typically an action of switching between states, while ‘alternative’ is another word for ‘choice’ or ‘option’.
How long can i drive a car with bad alternator?
Your vehicle can go for miles with a defective alternator but in all that time your battery would not be getting charged . Stopping and starting would become difficult with less cranking power from the battery .
What does knockout mean in british english?
If you describe someone or something as a knockout, you think that they are extremely attractive or impressive. [informal, approval]
What is a british lorry?
1 `lorry’ In British English, a lorry is a large vehicle used for transporting goods by road. The lorries were carrying 42 tonnes of sand. 2 `truck’ In American English, and increasingly in British English, a vehicle like this is called a truck.
What british bird lays small blue eggs?
The dunnock, commonly referred to as the hedge sparrow, lays eggs that are sky blue in appearance and are around 20 x 15mm in size. Dunnock eggs can often be found in a nest of grass, leaves and root but often fall victim to the egg mimicking cuckoo.
What is holy oil in british coronation?
The oil was made from a secret mixture in sesame and olive oil, containing ambergris, civet, orange flowers, roses, jasmine, cinnamon, musk and benzoin– actually sounding rather Oriental in its composition – and must surely have smelled glorious.
What is a dc in the british army?
Defence Connect (DC) is an application hosted through the Defence Gateway (DGW). DC provides an Enterprise Social Network and is used as an Internal Communications channel by the Army.
Where is the british ministry of magic located?
The headquarters of the Ministry was in Whitehall, in central London, deep underground. It was headed by the Minister for Magic. By 2019, the Minister for Magic was Hermione Granger.
Why do british men wear white wigs?
Wigs were commonly used to cover up hair loss, but their use did not become widespread until two Kings started to lose their hair. … As wigs became more popular, they became a status symbol for people to flaunt their wealth. An everyday wig cost 25 shillings, a week’s worth of wages for a common Londoner.
What form do i need for british citizenship?
Your passport or national identity card or Home Office travel document or Home Office entitlement card or Home Office ARC letter or birth certificate or photographic driving licence or a bank, building society or credit card statement issued to you within the last six months.
Is watching british netflix through vpn legal?
Legally, no. People commonly mistake using a VPN with Netflix as a form of piracy, but accessing the provider’s international catalogs is quite different from torrenting copyrighted material. It is not illegal in any way, shape or form, and will not currently result in a criminal or civil lawsuit anywhere in the world.
What is a cot seat on british airways?
For your baby’s comfort, we have specially designed carrycots on board, so that your baby can sleep during the flight. If you have chosen a seat at a carrycot position, you can ask the cabin crew for a carrycot. The carrycots supplied by us are: suitable for babies up to 6 months old.
What does british royalty do?
Members of the Royal Family support The Queen in her many State and national duties, as well as carrying out important work in the areas of public and charitable service, and helping to strengthen national unity and stability.
Can an american work for the british government?
Sponsorship. We do NOT sponsor any job applicants for any vacancies. U.S. citizens already living in the UK must ensure they have the legal right to work in the UK and must liaise with the Home Office for the relevant visa.
Is british gas british owned?
As its name suggests, British Gas is indeed British-owned. British Gas is the oldest energy company in the UK, having been founded in 1812 as the Gas Light and Coke Company (GLCC) before taking the name British Gas in 1973.
Does british airways do gift vouchers?
The range of gift vouchers includes BA i360 flight tickets, Sparkling Wine Experience, and BA i360 Fly + Afternoon Tea packages. All gift vouchers are valid for 12 months from the date of purchase and can be redeemed online for a date and time of the recipient’s choice.
Which british explorer was the first to circumnavigate antarctica?
January 1773: Captain James Cook becomes the first recorded navigator to cross the Antarctic Circle. January 1820: Antarctica is first sighted.
When to have tea british?
In most of the United Kingdom (namely, the North of England, North and South Wales, the English Midlands, Scotland, and some rural and working class areas of Northern Ireland), people traditionally call their midday meal dinner and their evening meal tea (served around 6 pm), whereas the upper social classes would call …
Why did the british issue the stamp act?
British Parliament passed the Stamp Act to help replenish their finances after the costly Seven Years’ War with France. Part of the revenue from the Stamp Act would be used to maintain several regiments of British soldiers in North America to maintain peace between Native Americans and the colonists.