**Electromotive force**, abbreviation E or emf, energy per unit electric charge that is imparted by an energy source, such as an electric generator or a battery.

Contents

- 1 What does E mean in physics?
- 2 What does small e stand for in physics?
- 3 What is meant by the symbol E?
- 4 What is current formula?
- 5 What is the symbol of density?
- 6 What is U in physics class 9?
- 7 What is the R in physics?
- 8 What is the full form of U in physics?
- 9 What does Lambda mean in physics?
- 10 What does R mean in math?
- 11 What does Greek e mean in math?
- 12 What does opposite E mean?

## What does E mean in physics?

Electron charge, (symbol e), fundamental physical constant expressing the naturally occurring unit of electric charge, equal to 1.602176634 × 10^{−}^{19} coulomb.

## What does small e stand for in physics?

E. energy, total energy. J. joule. K, K_{t}, K_{r}.

## What is meant by the symbol E?

The number e, also known as Euler’s number, is a mathematical constant approximately equal to 2.71828, and can be characterized in many ways. It is the base of the natural logarithm. It is the limit of (1 + 1/n)^{n} as n approaches infinity, an expression that arises in the study of compound interest.

## What is current formula?

The current formula is given as I = V/R. The SI unit of current is Ampere (Amp).

## What is the symbol of density?

The symbol for density is the Greek letter rho, What is the density of a material if 450 cm ^{3} of it has a mass of 200 g?

## What is U in physics class 9?

u is initial velocity. v is the final velocity. a is acceleration. t is the time period.

## What is the R in physics?

r = radius. R = resistance. R = molar gas constant.

## What is the full form of U in physics?

Answer: Full form of u in physics is upsilon..

## What does Lambda mean in physics?

Wavelength, distance between corresponding points of two consecutive waves. Wavelength is usually denoted by the Greek letter lambda (λ); it is equal to the speed (v) of a wave train in a medium divided by its frequency (f): λ = v/f.

## What does R mean in math?

List of Mathematical Symbols • R = real numbers, Z = integers, N=natural numbers, Q = rational numbers, P = irrational numbers. Page 1.

## What does Greek e mean in math?

That is a capital Sigma (from the Greek alphabet). It stands for ” Sum “.

## What does opposite E mean?

∈ means part of a set. A line through that ∉ means excluded from.