# appendix for the formula, Formulas and forms for Electromagnetism and Electromagnetic Fields Theory. University Malaysia Pahang

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this the the formula for electromagnetic fields where it is also given during exam
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APPENDIX – List of Formulas

Trigonometry identities cosec2A =1+cot2A

1/tan A = cot A 1/cosec A = sin A 1/sec A = cos A

Integrals

Integrals involving

(for a > 0)

Indefinite integrals

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Coordinates Transformation

Cartesian → Cylindrical Cylindrical → Cartesian

Cartesian → Spherical Spherical → Cartesian

Differential Length, Area and Volume Length Area Volume

Cartesian Cylindrical Spherical

Vector derivatives

Cartesian

Cylindrical

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Spherical

CONSTANTS Free space permittivity F/m Free space permeability H/m Free space intrinsic Ω Charge of an electron C

ELECTROSTATICS Coulomb’s law ,

, , Electric field intensity (point charge)

(infinite line)

(infinite sheet) Electric flux density (free space) Electric flux Gauss’ law Maxwell’s equations , Work Electric potential (point charge)

Conduction current density , Laplace’s equation Poisson’s equation Resistance and capacitance ,

MAGNETOSTATICS

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Biot-Savart’s law , , Magnetic field intensity (infinite line)

(infinite sheet) Ampere’s circuit law Magnetic flux density (free space) Magnetic flux , Maxwell’s equations , Magnetic vector potential , ,

Magnetic force , , Faraday’s law ,

Ohm’s law ,

Generalized forms of Maxwell’s equations

Differential form Integral form Remarks Gauss’ law