1. electrical conductivity
   luminosity
2. capacitance
   power

In physics, electrical conductivity is most commonly represented by the symbol σ. Electrical conductivity refers to how strongly a given material opposes the flow of electric current.

1. impulse
   angular acceleration
2. force
   electric potential

In physics, force is most commonly represented by the symbol F. Force refers to any interaction that, when unopposed, will change the motion of an object.

1. energy
   heat
2. time
   magnetic field strength

In physics, magnetic field strength is most commonly represented by the symbol H. Magnetic field strength refers to a force field that is created by moving electrical charges and magnetic dipoles.

1. resistivity
   temperature
2. acceleration
   magnetic flux density

In physics, acceleration is most commonly represented by the symbol a. Acceleration refers to the rate of change of velocity of an object with respect to time.

1. density
   potential energy
2. area
   entropy

In physics, potential energy is most commonly represented by the symbol U. Potential energy refers to the energy possessed by an object because of its position relative to other objects, stresses within itself, its electric charge, or other factors.

1. power
   permittivity
2. pi
   wavelength

In physics, wavelength is most commonly represented by the symbol λ. Wavelength refers to the distance over which a wave's shape repeats.

1. the gravitational constant
   torsion coefficient
2. area
   electric potential

In physics, torsion coefficient is most commonly represented by the symbol Κ. Torsion coefficient represents the ability of a bar or beam to resist torsion (twisting).

1. moment of inertia
   heat
2. damping ratio
   energy

In physics, moment of inertia is most commonly represented by the symbol I. Moment of inertia refers to a body's tendency to resist angular acceleration, it is also known as angular mass or rotational inertia.

1. magnetic flux density
   atomic number
2. entropy
   resistivity

In physics, atomic number is most commonly represented by the symbol N. Atomic number refers to the number of protons found in the nucleus of an atom of a chemical element. It is used as an identifier for elements on the periodic table.

1. electric field
   pi
2. impulse
   frequency

In physics, frequency is most commonly represented by the symbol v. Frequency refers to the number of occurrences of a repeating event per unit of time.

1. acceleration due to gravity
   gamma radiation
2. electrical conductivity
   luminosity

In physics, gamma radiation is most commonly represented by the symbol γ. Gamma radiation refers to electromagnetic radiation that arises from the radioactive decay of atomic nuclei.

1. wave function
   force
2. kinetic energy
   electric field

In physics, wave function is most commonly represented by the symbol ψ. Wave function refers to a function that describes the wave properties of a particle.

1. atomic number
   electric resistance
2. distance
   the gravitational constant

In physics, distance is most commonly represented by the symbol d. Distance refers to any numerical measurement of how far apart objects are from each other.

1. width
   Planck’s constant
2. acceleration
   damping ratio

In physics, Planck’s constant is most commonly represented by the symbol h. Planck’s constant refers to a physical constant that is the quantum of action, central in quantum mechanics. It is named after Max Planck, the German physicist who first recognized it.

1. potential energy
   time
2. moment of force
   permittivity

In physics, moment of force is most commonly represented by the symbol M. Moment of force refers to the turning effect of a force. It is calculated using the force and the distance from a perpendicular reference point.

1. wavelength
   gamma radiation
2. electric resistance
   speed of sound

In physics, speed of sound is most commonly represented by the symbol c. Speed of sound refers to exactly what the name “sounds” like. It is the distance travelled per unit of time by a sound wave.

1. temperature
   torsion coefficient
2. width
   Planck’s constant

In physics, width is most commonly represented by the symbol w. Width refers to the distance from side to side, of an object that occurs at right angles to the length.

1. electric resistance
   moment of inertia
2. distance
   speed of sound

In physics, electric resistance is most commonly represented by the symbol Ω. Electric resistance refers to how a device or material reduces the electric current flow through it.

1. magnetic field strength
   wave function
2. angular acceleration
   kinetic energy

In physics, kinetic energy is most commonly represented by the symbol K. Kinetic energy refers to the energy that an object possesses due to its motion.

1. acceleration due to gravity
   frequency
2. moment of force
   capacitance

In physics, acceleration due to gravity is most commonly represented by the symbol g. Acceleration due to gravity refers to the acceleration of an object in a vacuum near the surface of the Earth.

1. acceleration due to gravity
   power
2. wave function
   capacitance

In physics, capacitance is most commonly represented by the symbol C. Capacitance refers to the ratio of the change in an electric charge in a system, as it relates to the corresponding change in the system’s electric potential.

1. electric potential
   angular acceleration
2. torsion coefficient
   kinetic energy

In physics, angular acceleration is most commonly represented by the symbol α. Angular acceleration simply refers to the rate of change of angular velocity.

1. atomic number
   heat
2. moment of inertia
   time

In physics, time is most commonly represented by the symbol t. Time oftentimes is simply defined as being “what a clock shows/reads.” Time is sometimes referred to as the fourth dimension.

1. magnetic field strength
   temperature
2. magnetic flux density
   width

In physics, temperature is most commonly represented by the symbol T. Temperature refers to the physical quantity that expresses hot and cold.

1. density
   frequency
2. entropy
   speed of sound

In physics, density is most commonly represented by the symbol D. Density refers to the mass per unit volume of a substance.

1. pi
   electrical conductivity
2. permittivity
   moment of force

In physics, permittivity is most commonly represented by the symbol ϵ. Permittivity refers to the measure of resistance that is encountered when forming an electric field in a particular medium.

1. impulse
   force
2. damping ratio
   Planck’s constant

In physics, damping ratio is most commonly represented by the symbol ζ. Damping ratio refers to the measure of how oscillations decay after an observed disturbance.

1. distance
   the gravitational constant
2. density
   energy

In physics, the gravitational constant is most commonly represented by the symbol G. The gravitational constant refers to the physical constant (6.674×10−11 m3⋅kg−1⋅s−2) that is used in the calculation of gravitational effects.

1. electric field
   acceleration
2. area
   wavelength

In physics, electric field is most commonly represented by the symbol E. Electric field simply refers to a field that surrounds electric charges.

1. gamma radiation
   resistivity
2. luminosity
   potential energy

In physics, luminosity is most commonly represented by the symbol L. Luminosity refers to the total amount of energy radiated by an object per unit of time.

1. frequency
   impulse
2. damping ratio
   acceleration due to gravity

In physics, impulse is most commonly represented by the symbol J. Impulse refers to the integral of a force over the time interval that it acts.

1. kinetic energy
   electric field
2. magnetic field strength
   energy

In physics, energy is most commonly represented by the symbol E. Energy refers to the capacity for doing work. The law of conservation of energy states that energy cannot be created or destroyed, it can only be converted from one form to another.

1. moment of inertia
   luminosity
2. resistivity
   atomic number

In physics, resistivity is most commonly represented by the symbol ρ. Resistivity refers to how strongly a given material opposes the flow of electric current.

1. torsion coefficient
   the gravitational constant
2. width
   area

In physics, area is most commonly represented by the symbol A. Area refers to the two dimensional extent of a shape or object.

1. wavelength
   pi
2. speed of sound
   permittivity

In physics, pi is most commonly represented by the symbol π, which refers to the ratio of a circle's circumference to its diameter; approximately 3.14159.

1. potential energy
   electric resistance
2. moment of force
   entropy

In physics, entropy is most commonly represented by the symbol S. Entropy refers to the measure of the number of possible arrangements the atoms in a system can have.

1. magnetic flux density
   Planck’s constant
2. temperature
   acceleration

In physics, magnetic flux density is most commonly represented by the symbol B. Magnetic flux density refers to the measure of the strength of a magnetic field at a given point.

1. density
   time
2. heat
   distance

In physics, heat is most commonly represented by the symbol Q. Heat refers to the energy that is transferred from a warmer substance or body to a cooler one.

1. electric potential
   wave function
2. angular acceleration
   force

In physics, electric potential is most commonly represented by the symbol ϕ. Electric potential refers to the amount of work needed to move a charge from a reference point to a specified point.

1. electrical conductivity
   capacitance
2. power
   gamma radiation

In physics, power is most commonly represented by the symbol P. Power refers to the rate of doing work; i.e. the amount of energy transferred per unit time.