Power Calculator ⚡

What is Electrical Power?

Power is measured in Watts (W) and represents the rate of energy transfer. It tells us how much electrical energy is being consumed or produced per unit time.

Key Concepts

• Power (P): Rate of energy transfer, measured in Watts (W)
• Voltage (V): Electrical potential difference, measured in Volts (V)
• Current (I): Flow of electric charge, measured in Amperes (A)
• Resistance (R): Opposition to current flow, measured in Ohms (Ω)

Applications

• Calculating energy consumption of electrical devices
• Sizing electrical components (resistors, power supplies)
• Determining heat dissipation in circuits
• Electrical system design and load calculations

Tips

• Higher power means more energy consumption
• Components must be rated for the power they handle
• Power dissipated as heat can damage components
• Use appropriate safety margins when designing circuits