E = **energy**. E_{k} = kinetic energy. E = electric field strength. E = Young’s Modulus.

Contents

- 1 What does E stand for in physics?
- 2 What is E symbol called?
- 3 What is current formula?
- 4 What does this symbol mean ≅?
- 5 What’s the value of E?
- 6 What is resistivity formula?
- 7 What are types of current?
- 8 What is Ohm’s law state?
- 9 What is J in physics electricity?
- 10 What is U in physics class 9?
- 11 What does U mean in physics velocity?

## What does E stand for in physics?

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

## What is E symbol called?

Descendants and related characters in the Latin alphabet Ɛ ɛ: Latin letter epsilon / open e, which represents an open-mid front unrounded vowel in the IPA.

## What is current formula?

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

## What does this symbol mean ≅?

The symbol ≅ is officially defined as U+2245 ≅ APPROXIMATELY EQUAL TO. It may refer to: Approximate equality. Congruence (geometry)

## What’s the value of E?

The number e, sometimes called the natural number, or Euler’s number, is an important mathematical constant approximately equal to 2.71828.

## What is resistivity formula?

Resistivity, commonly symbolized by the Greek letter rho, ρ, is quantitatively equal to the resistance R of a specimen such as a wire, multiplied by its cross-sectional area A, and divided by its length l; ρ = RA/l. The unit of resistance is the ohm.

## What are types of current?

There are two kinds of current electricity: direct current (DC) and alternating current (AC). With direct current, electrons move in one direction. Batteries produce direct current.

## What is Ohm’s law state?

Ohm’s law states that the current through a conductor is proportional to the voltage across the conductor. V=IR where V is the voltage across the conductor and I is the current flowing through it.

## What is J in physics electricity?

Current density refers to the density of current flow in some conductor. It is denoted by the symbol J. In the field of electromagnetism, Current Density and its measurement is very important. It is the measure of the flow of electric charge in amperes per unit area of cross-section i.e. m².

## 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 does U mean in physics velocity?

Initial Velocity is the velocity at time interval t = 0 and it is represented by u. It is the velocity at which the motion starts.