Electrical Engineering Formulas

mAh Battery Life Formula formula to calculate battery life

formula to calculate battery life

formula to calculate star to delta resistance

formula to calculate delta to star resistance

kVA - Single Phase Formula formula to calculate single phase kva

formula to calculate single phase kva

kVA - Three Phase Formula formula to calculate three phase kva

formula to calculate three phase kva

Voltage - Single Phase Formula formula to calculate single phase voltage

formula to calculate single phase voltage

Voltage - Three Phase Formula formula to calculate three phase voltage

formula to calculate three phase voltage

Current - Single Phase Formula formula to calculate single phase current

formula to calculate single phase current

Current - Three Phase Formula formula to calculate three phase current

formula to calculate three phase current

formula to calculate terminal voltage magnitude of lossless transmission line or medium

formula to calculate wavelength (λ) of a transmission line

formula to calculate propagation constant (β) of transmission line

formula to calculate transmission line reflection coefficient

formula to calculate characteristic impedance Z<sub>0</sub> of the lossless transmission line

formula to calculate SWR - standing wave ratio of transmission line

formula to calculate number of poles of an AC induction motor

formula to calculate slip difference & slip of an induction motor

formula to calculate synchronous speed (N<sub>s</sub>) of an induction motor

formula to calculate DC motor armature voltage

formula to calculate DC motor armature mechanical power

formula to calculate DC motor (EMF) magnetic field flux φ

formula to calculate DC motor armature mechanical torque

Horsepower to Torque Conversion Formula formula to calculate horsepower to torque

formula to calculate horsepower to torque

Watts to Torque Conversion Formula formula to calculate watts to torque

formula to calculate watts to torque

Parallel Resistor Formula formula to calculate parallel resistors equivalent resistance

formula to calculate parallel resistors equivalent resistance

Capacitive Reactance Formula formula to calculate capacitance reactance

formula to calculate capacitance reactance

Inductive Reactance Formula formula to calculate inductive reactance

formula to calculate inductive reactance

RF Power Density Formula formula to calculate RF power density

formula to calculate RF power density

Potential Divider Circuit Formula formula to calculate potential divider output voltage

formula to calculate potential divider output voltage

Microstrip Impedance Formula formula to calculate microstrip impedance

formula to calculate microstrip impedance

Differential Microstrip Impedance Formula formula to calculate differential microstrip impedance

formula to calculate differential microstrip impedance

Ohm's Law Formula Ohms Law easy reference

Ohms Law easy reference

Instrumentation Amplifier Formula formula to calculate instrumentation amplifier output voltage

formula to calculate instrumentation amplifier output voltage

Force On Charge Formula formula to calculate force on charge 2 due to charge 1

formula to calculate force on charge 2 due to charge 1

Force On Charge Formula formula to calculate force on charge 2 due to charge 1

formula to calculate force on charge 2 due to charge 1

Electrical & Electronics Engineering Formulas Reference

Electrical engineering formulas reference is the collection equations which are being used in various calculations. This formulas cheatsheet includes most of the basic formulas used in electricity, electronics, electromagnetism, power electronics, power engineering, power transmission, radio frequency engineering, computer engineering, instrumentation, signal processing and more. It is a complete list of electrical engineering formulas to study, analyze, design, develop, maintain electrical and electronics devices and systems.