Use the Formula $\frac { 1 } { R } = \frac { 1 } { R _ { 1 } } + \frac { 1 } { R _ { 2 } } + \frac { 1 } { R _ { 3 } }$

question 197

Multiple Choice

Use the formula $\frac { 1 } { R } = \frac { 1 } { R _ { 1 } } + \frac { 1 } { R _ { 2 } } + \frac { 1 } { R _ { 3 } }$ . Given $R = 1,150 \Omega$ , $R _ { 1 } = 3,850 \Omega$ and $R _ { 3 } = 4,250 \Omega$ . Find $R _ { 2 }$ .

• A) \(R _ { 2 } = 3,170 \Omega\)
• B) \(R _ { 2 } = 2,540 \Omega\)
• C) \(R _ { 2 } = 2,670 \Omega\)
• D) \(R _ { 2 } = 3,370 \Omega\)
• E) \(R _ { 2 } = 1,320 \Omega\)

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