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

Question 227

Multiple Choice

Use the formula 1R=1R1+1R2\frac { 1 } { R } = \frac { 1 } { R _ { 1 } } + \frac { 1 } { R _ { 2 } } . Given R = 3 ? and R1R _ { 1 } = 4 ?. Find R2R _ { 2 } .


A) R2=12ΩR _ { 2 } = 12 \Omega
B) R2=11ΩR _ { 2 } = 11 \Omega
C) R2=16ΩR _ { 2 } = 16 \Omega
D) R2=14ΩR _ { 2 } = 14 \Omega
E) R2=9ΩR _ { 2 } = 9 \Omega

Correct Answer:

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