The vulture looks down and sees the iguana and rabbit together V = I * R |
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The iguana sees the vulture over the rabbit I = V / R The rabbit sees the vulture over the iguana R = V / I |

sometimes written E = I*R.

E stands for electromotive force (emf).

Think Eagle instead of vulture?

Try these equations:

- 15 volts are applied to a circuit having a resistance of 1 K ohm. How much current will flow? _____ Amps
- A resistor of 2,700 ohms has a current of 2 milliamps flowing through it. What is the applied voltage? _____ Volts
- A circuit has an applied voltage of 12 volts which causes 5 mAmps of current to flow. What is the circuit's resistance? _____ ohms
- A circuit with an applied voltage of 100 Volts and a resistance of 1,000 Ohms has how much current? _____ Amps
- A circuit which contains 100 Ohms resistance has a current of 2 Amperes. What is the applied voltage? ______
- With 5 Volts applied voltage and 50mAmps current flow, what is the circuit's resistance? _______