Solve the Formula for the Indicated Variable $I = \frac { n E } { n r + R }$

question 76

Multiple Choice

Solve the formula for the indicated variable.
- $I = \frac { n E } { n r + R }$ , for $n$

• A) \(n = \frac { R } { E - I r }\)
• B) \(n = \operatorname { IR } ( \operatorname { Ir } - \mathrm { E } )\)
• C) \(n = \frac { I R } { E - I r }\)
• D) \(n = \frac { I R } { I r + E }\)