What is a joule?

What is the joule's heating effect? How can it be demonstrated experimentally? List its four appliances in daily life.

What is joule's heating effect? List applications of joule's heating effect in our daily life.

What is the relation between kWh and joule?

What is the power of a machine which does 2000 joules of work in 10 seconds ?

100 joule of work must be done to move a charge of -200 C from the point A to point B. What is the potential difference.?

In an electric field the work done in bringing a 2 coulomb charge from infinity to a point a is 10 joules and in bringing the same charge to some another point B is 20 joule find the potential difference between two points A and B what would be the work done if the same charge is brought directly from A to B.

A certain household has consumed 250 units of electric energy during a month.How much energy is this in joules ?

What is cancer? What are its causes ? What are methods ot detect cancers?