Question

What is joule's law? Explain pls?​

Answer 1

Answer:

Joule's law, in electricity, mathematical description of the rate at which resistance in a circuit converts electric energy into heat energy. ... A quantitative form of Joule's law is that the heat evolved per second, or the electric power loss, P, equals the current I squared times the resistance R, or P = I2R.

Subjects Of Study: Joule-Thomson effect Joule’s ...

Notable Works: “On the Production of Heat by ...

Explanation:

Answer 2

Explanation:

Hence the selling price of 7 oranges is Rs. 1.40 (with a profit of 40%). then Re. 1.00 is the selling price of 1.00*7/1.40 or 5 oranges.