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Ohm's Law Basics
Relate voltage, current, resistance
Ohm?s law links voltage, current, and resistance; it helps size resistors, estimate current draw, and troubleshoot circuits safely.
- voltage
- current
- resistance
- ohms law
- circuits
Understand
Voltage drives current through resistance: V = I ? R.
Apply
Calculate missing values; size components and fuses.
Stay Safe
Mind power/heat; use meters correctly and avoid shorts.