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Use the Formula 1R=1R1+1R2+1R3\frac { 1 } { R } = \frac { 1 } { R _ { 1 } } + \frac { 1 } { R _ { 2 } } + \frac { 1 } { R _ { 3 } }

Question 197

Multiple Choice

Use the formula 1R=1R1+1R2+1R3\frac { 1 } { R } = \frac { 1 } { R _ { 1 } } + \frac { 1 } { R _ { 2 } } + \frac { 1 } { R _ { 3 } } . Given R=1,150ΩR = 1,150 \Omega , R1=3,850ΩR _ { 1 } = 3,850 \Omega and R3=4,250ΩR _ { 3 } = 4,250 \Omega . Find R2R _ { 2 } .


A) R2=3,170ΩR _ { 2 } = 3,170 \Omega
B) R2=2,540ΩR _ { 2 } = 2,540 \Omega
C) R2=2,670ΩR _ { 2 } = 2,670 \Omega
D) R2=3,370ΩR _ { 2 } = 3,370 \Omega
E) R2=1,320ΩR _ { 2 } = 1,320 \Omega

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