AC Circuits|Average Power Across Resistor|PUC JEE, NEET|Part _3 |KarnatakaBoard|Easy explanation

AC Circuits|Average Power Across Resistor|PUC, JEE, NEET|Part _3 |KarnatakaBoard|Easy explanation

For ur queries:

❓ What is average power in an AC circuit?
❓ How to calculate average power across a resistor in AC?
❓ Why is the power factor 1 in a resistor?
❓ What is the role of RMS values in AC power calculation?
❓ Derivation of average power formula in AC circuits
❓ Average power in AC explained for PUC Physics, JEE, NEET, CET

Description:
In this video, we discuss in detail the concept of average power across a resistor in an AC circuit. When an alternating voltage is applied to a purely resistive circuit, the current remains in phase with the voltage. We derive the expression for instantaneous power, explain how the average power is calculated over a complete cycle, and show why the power factor is unity in a resistor.

This lesson will help students clearly understand the role of RMS values, the mathematical derivation of power equations, and the graphical interpretation of power in AC circuits. The explanation is designed for easy learning and exam preparation.

📌 Topics Covered:

Behavior of AC in a purely resistive circuit

Instantaneous voltage, current, and power

Derivation of average power formula

Significance of RMS values in power calculation

Power factor in a resistor (cos φ = 1)

Applications in real-life circuits


🎯 Useful for:

1st PUC & 2nd PUC Physics Students

JEE, NEET, CET Aspirants

Teachers and Competitive Exam Preparation


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Thanks for watching👍
Bhavya H M ❤️