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OHM's Law: V=IR
1. An electronic device has a resistance of 20
ohms and a current of 15 A. What is the
voltage across the device?

2. A 5-V potential difference is applied
across a 100 resistor. What is the current
that flows into the resistor?

3. A current of 0.5A passes through
a 1.8k resistor. What is the voltage across
it?