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Passive components
Electronic components that consume/absorb energy but do not produce energy.
Active components
Components that rely on a power source and can inject power into a circuit, such as transistors.
Resistance
The property of a resistor to oppose current flow, measured in ohms (Ω).
Capacitance
The property of a capacitor to store charge, measured in Farads (F).
Inductance
The property of an inductor to oppose changes in current, measured in Henrys (H).
SI Units
The International System of Units, composed of 7 fundamental and 2 supplementary units.
Ampere
The unit of electric current, symbolized by 'A'.
Voltage
The electrical potential difference, measured in Volts (V).
Ohm
The unit of electrical resistance.
Power
The rate at which electrical energy is transferred, measured in Watts (W).
Scientific notation
A method of expressing numbers as a product of a number between 1 and 10 and a power of ten.
Engineering notation
A form of scientific notation where the exponent is a multiple of three to match SI prefixes.
Significant digits
Digits that carry meaningful information about the precision of a measurement.
Metric conversion
The process of converting a number from one metric unit to another.
Prefix
A symbol that denotes a specific factor of 10 in the metric system.
Coulomb
The unit of electric charge, symbolized by 'C'.
Farad
The unit of capacitance.
Henry
The unit of inductance.
Joule
The unit of energy in the SI system.
Hertz
The unit of frequency, equal to one cycle per second.
Milli
A metric prefix meaning 10^-3.
Nano
A metric prefix meaning 10^-9.
Pico
A metric prefix meaning 10^-12.
Megohm
A unit of resistance equal to one million ohms.
Common power of ten
Used in addition and subtraction to make calculations easier.
Mantissa
The real number in scientific notation that is between 1 and 10.
Rounding off
The process of adjusting the digits in a number to reduce its complexity.
Note 
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