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Covaring components circuit diagram,opamps, transester,diodes, sensors,amplifiers, oscillators,and power devices learn circuit analysis design ,and application with clear Explanation insights and projecthttps://chat.whatsapp.com/LT

Digital logic gates
16/06/2026

Digital logic gates

16/06/2026

This image shows some important Electrical Formulas used in electrical and electronics work.
1. Ohm's Law
Ohm's Law explains the relationship between Voltage, Current, and Resistance.
Voltage (V) = Electrical pressure
Current (I) = Flow of electricity
Resistance (R) = Opposition to current flow
Formulas:
I = V / R
V = I × R
R = V / I
2. Power
Power is the rate at which electrical energy is used.
P = V × I
P = V² / R
Where:
P = Power (Watts)
V = Voltage (Volts)
I = Current (Amps)
R = Resistance (Ohms)
3. Energy
Electrical energy consumed over time:
E = P × t
Where:
E = Energy
P = Power
t = Time
4. AC Power
Used in alternating current systems.
Active Power (P) = V × I × cosφ
Apparent Power (S) = V × I
Power Factor (pf) = cosφ
Where:
φ (phi) = Phase angle
Power Factor indicates efficiency
5. Transformer
Transformer voltage and current relationships:
Turns Ratio
N₁ / N₂ = V₁ / V₂
Current Ratio
I₁ / I₂ = V₂ / V₁
Where:
N = Number of turns
V = Voltage
I = Current
6. Cable & Conductor
Voltage drop calculation in cables:
Vd = √3 × I × R × L
More accurate AC formula: Vd = √3 × (R × cosφ + X × sinφ) × I × L
Where:
Vd = Voltage Drop
I = Current
R = Resistance
X = Reactance
L = Cable Length
7. Heating Effect of Current
Heat produced in a conductor:
H = I² × R × t
Where:
H = Heat Energy
I = Current
R = Resistance
t = Time
This formula is also known as Joule's Law of Heating.

This symbol is
15/06/2026

This symbol is

15/06/2026

This image shows Basic Electrical Symbols that are commonly used in electrical and electronic circuit diagrams.
Main Symbols and Their Meanings
Switch – Opens or closes an electrical circuit.
Fuse – Protects a circuit from overcurrent.
AC Current (~) – Alternating Current, changes direction continuously.
DC Current – Direct Current, flows in one direction only.
Resistor – Limits the flow of current.
Inductor – Stores energy in a magnetic field.
Capacitor – Stores electrical charge temporarily.
Diode – Allows current to flow in only one direction.
Transformer – Transfers electrical energy between coils.
Circuit Breaker – Automatically disconnects power during faults.
DC Source – Provides DC voltage.
Battery – Supplies electrical energy.
Ammeter (A) – Measures current in amperes.
Voltmeter (V) – Measures voltage.
Wattmeter (W) – Measures electrical power.
Ground (Earth) – Common reference point and safety connection.
Lamp – Produces light when current flows.
Motor (M) – Converts electrical energy into mechanical motion.
Relay – Electrically operated switch.
Cable – Electrical conductor for carrying power/signals.
LED – Light Emitting Diode.
AC Motor – Motor that operates on AC supply.
Speaker – Converts electrical signals into sound.
Potentiometer – Variable resistor used for adjusting voltage or current.
Solar Cell – Converts sunlight into electricity.
Why These Symbols Are Important
These symbols are used in:
House wiring diagrams
Motor control circuits
AC and refrigeration systems
Electronic circuit schematics
Solar power systems
Learning these symbols helps electricians and technicians read and troubleshoot circuits quickly
.

RPM calculation
14/06/2026

RPM calculation

14/06/2026

Got it! Switching to English 👍

This photo is an *Electrical Basics + Formula Cheat Sheet* for electricians. Split into 2 parts:

*Left Side: Electrical Basic - Electrician World*
These are all unit conversions. Super useful for bill calculations, motor sizing, load calculation.

*Most important ones:*
1. *1 KWH = 1000 Wh = 1 Unit* → This is what your electricity bill counts. A 1000W heater running 1 hour = 1 Unit
2. *1 KVA = 0.8 KW* → Because Power Factor = 0.8. That’s why a 1000VA UPS only gives 800W output
3. *1 HP = 746 Watt = 0.746 KW* → 1 Horsepower motor consumes 746W
4. *1 KVA = 1.34 HP = 1.391 AMPS* → A 1 KVA generator can run 1.34 HP motor
5. *1 AMP = 230 VA Single Phase* → On 220V, 1 Amp = 230 Watts load

*Right Side: Electrical Formulas*
These are the formulas to solve electrical problems.

*Basic 4 - Ohm’s Law:*
1. *V = I x R* → Voltage = Current x Resistance. Remember "VIR triangle"
2. *I = V/R* → To find current
3. *R = V/I* → To find resistance
4. *P = V x I* → Power = Volts x Amps. Formula to find Watts

*AC/Advanced Formulas:*
5. *Z = √(R² + (XL - XC)²)* → Impedance. Total opposition in AC circuits
6. *Power Factor = cos(θ) = R/Z* → PF closer to 1 = lower electricity bill
7. *Resonant Frequency = 1 / (2π√LC)* → Used in radio tuning circuits

*2-Min Video Idea for Your 24K Page:*
*Topic:* "How to calculate 1 Unit of electricity with this formula"
`0-3s Hook:` "Why does WAPDA call it '1 Unit'? Let me prove it"
`0:30s:` Show from chart: 1 KWH = 1000W x 1 Hour
`1:00s:` Example: 100W bulb for 10 hours = 1000Wh = 1 Unit
`End CTA:` "Comment what appliance uses 1 Unit in your home"

Which formula from this chart do you want me to explain with a real example?
1. Calculating your electricity bill?
2. Sizing a motor/generator?
3. Finding current for a load?

Tell me and I’ll break it down step by step.

Parallel conviction of batteries
13/06/2026

Parallel conviction of batteries

13/06/2026

This image shows a USB Type-C OTG (On-The-Go) adapter wiring diagram.
Pin Connections
G (Black Wire) → GND (Ground)
D+ (Green Wire) → Data Positive
D− (White Wire) → Data Negative
V (Red Wire) → VBUS (+5V Power)
OTG Resistor
The resistor connected between the Type-C pins is used to tell the phone that the adapter is an OTG host device. This allows the phone to power and communicate with USB devices such as:
USB Flash Drives
Keyboard
Mouse
Game Controllers
USB Card Readers
How It Works
When you plug the USB-C connector into a smartphone:
The resistor signals OTG mode.
The phone becomes the host.
The USB-A female port can then connect external USB devices.
Power (+5V) and data lines (D+ and D−) are passed directly through.
Video Explanation (English)
"This diagram shows a USB Type-C OTG adapter. The red wire carries +5 volts power, the black wire is ground, the green wire is D+ data, and the white wire is D− data. A resistor is added to the Type-C connector to enable OTG mode, allowing a smartphone to act as a USB host and connect devices like flash drives, keyboards, and mice through the USB-A female port."

Type of diode
12/06/2026

Type of diode

12/06/2026

Electrical Basic Formulas and Conversions Explained
This chart contains important electrical formulas and unit conversions that every electrician should know.
Basic Electrical Conversions
1 kWh = 1000 Wh (Watt-hours)
1 kW = 1000 Watts
1 MW = 1,000,000 Watts
1 HP = 746 Watts or 0.746 kW
1 Ampere = 1000 mA (milliamps)
1 kA = 1000 Amperes
1 Ton of refrigeration = 3.517 kW
Ohm's Law
Ohm's Law is the foundation of electrical calculations:
Where:
V = Voltage (Volts)
I = Current (Amps)
R = Resistance (Ohms)
From this formula:
R = V ÷ I
I = V ÷ R
Electrical Power Formula
�
Where:
P = Power (Watts)
V = Voltage
I = Current
Energy Formula
�
Where:
E = Energy
P = Power
t = Time
AC Circuit Formulas
The chart also shows formulas for:
Inductive Reactance (XL)
Capacitive Reactance (XC)
Impedance (Z)
Resonant Frequency
Power Factor
These formulas are used in AC circuits, motors, transformers, air conditioners, and industrial electrical systems.
Conclusion:
This chart is a quick reference guide for electricians, electrical students, AC technicians, and engineers. Learning these formulas will help you troubleshoot electrical systems and perform accurate
calculations
.

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