🔁 “What Is Inductance? — The Hidden Force in Coils!” 🧲⚡

 

🔁 “What Is Inductance? — The Hidden Force in Coils!” 🧲⚡



Ever noticed how a fan keeps spinning for a few seconds even after switching it off? Or how a tube light flickers before turning on? 👀
Behind these little moments is a magical force called Inductance — silent, invisible, but powerful! 💥

🌀 What Is Inductance?

Inductance is the property of a coil (inductor) that resists changes in current flowing through it.

In simple terms:
🧠 If you try to change the current quickly, the coil says, “Nope! Slow down!”

It stores energy in the form of a magnetic field, and releases it slowly when the current drops.

🧲 How Does It Work?

  • When current flows through a coil of wire, it creates a magnetic field around it.

  • If the current changes, the magnetic field also changes.

  • This change induces a voltage (back EMF) that opposes the current change.

🌀 This behavior is measured in Henries (H) — the unit of inductance.

⚡ Real-Life Applications of Inductance

ExampleWhat It Does
Tube lights (starters)Delay current to allow proper ignition
Electric motorsHelps control speed & torque
TransformersWorks with magnetic fields to transfer power
Induction cooktops 🍳Heats metal using electromagnetic energy

📖 Formula to Know

The voltage across an inductor is:

V = L × (di/dt)

Where:

  • V = voltage

  • L = inductance

  • di/dt = rate of change of current

⚠️ So, faster the change, bigger the opposition!

💡 Life Lesson from Inductance

Just like inductance resists sudden changes, life teaches us to stay calm during transitions. Don’t rush—take your time to adapt. Growth is smoother when you're stable inside. 🌱🧘

                                                                                                                -Sharadhvi Tirakannavar

Comments

  1. AnonymousJuly 4, 2025 at 10:01 AM

    Really Nice...... Enjoyed reading it.

    ReplyDelete

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