Table of Contents

Power and Energy

hello!!!!

Newton

A Newton is a unit of

Joule

Watt

Power is the rate of of electrical energy generation or consumption.

\[Power = Voltage × Current\]

Ohms Law

\(Voltage = Current × Resistance\) ??

\[E = I × R\]

(in french, it’s Electromotive force and Intensity)

Voltage:

Current:

Resistance (Ohms): ohms = volts / amps

Measurements: \(watts = volts × amps\)

Inductance (henry): magnetic force

Capacitance (farad): electric force

Decibels: Amount of Change of power

every 3dB of gain doubles the power, and every 3dB of loss halves it — the shortcut is 3dB = twice rule

the actual formula to calculate the gain (or loss) of power in decibels is:

\[dB=10×log(\frac{P_{1}}{P_{0}})\]

Impedance

This is basically like resistance but in AC circuits — the measure of opposition to AC current flow in a circuit

\[P = V × I\]

CW / Morse

Phrases:
A - a GAIN
B - BOOT to the head C - CO ca CO la
D - DAN ge rous E - eep
F - did you FIND it? G - GOD DAMN it H - hip pit ty hop
I - i cup
J - je NE SAIS QUOI, his JUST DES SERTS
K - KANG a ROO
L - Los AN ge les
M - MMM MMM
N - NU dist
O - OH MY GOD, HO HO HO
P - a PI ZZA pi Q - GOD SAVE the QUEEN
R - ro TA tion S - si si si
T - TALL
U - gi ddy UP, u ni FORM
V - beet-ho-ven’s FIFTH
W - the WHOLE WORLD
X - X marks the SPOT
Y - YOU’RE a COOL DUDE
Z - ZINC ZOO kee per

Resources

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