abynvambchn abynvambchn

26-02-2024
Physics

contestada

A circular loop of radius 10 cm carries a current of 2 ampere what is the magnetic field acting on a point P situated 20 cm away from the centre of the loop?

You may use the equation

B=Muo IR²/2(R²+x²) ^³/2

My doubt is why The value of B is -ve?

Respuesta :

Otras preguntas

five parts of active, critical listening

which was a consequence of people migrating from the rural area to the city

In a food chain, which trophic level contains the greatest amount of energy? a. herbivores b. carnivores c. producers d. decomposers

The basic economic questions that any provider of goods must ask are: What will be produced? Who will produce it? For whom will it be produced? In which type of

What importance did spheres of influence have for China?

Organisms,such as hawks and leopards, that obtain their energy from foods they consume are called Choose one answer. a. autotrophs b. heterotrophs c. produ

Each sentence below describes a cause-and-effect relationship. Which of the following sentences has the cause underlined? A. We turned up the heat since it wa

Which of the following was John Rolfe's chief contribution to Virginia's economy? A. His invention of a better way to grow short-staple cotton B. His innovati

How did Suharto come to power in Indonesia?

What was one result of the American Invasion of Canada? a. Detroit was surrendered to the British Army. b. Successful invasions bolstered American pride. c. Bri