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Ohm's law
V = IR
Where: I = moment of inertia (kg·m²) / current (A), R = range / radius / resistance, V = volume (m³) / potential difference (V)
Solved example
Given: I = 7, R = 5
Find: V (volume (m³) / potential difference (V))
- Formula: V = I·R
- Substitute the values: V = 5·7
- Result: V = 35
Answer: V = 35
Calculator
How to calculate Ohm's law
- Write down the formula: V = IR.
- Note the known values (I, R).
- Substitute them and simplify to find V.
- Use the calculator above to solve for any letter.
Frequently asked questions
What is the formula for Ohm's law?
The formula is V = IR, where I = moment of inertia (kg·m²) / current (A), R = range / radius / resistance, V = volume (m³) / potential difference (V).
What is Ohm's law when I = 7, R = 5?
V = 35. Substitute the values into V = IR and simplify.