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Use the Formula 1R=1R1+1R2+1R3+1R4\frac { 1 } { R } = \frac { 1 } { R _ { 1 } } + \frac { 1 } { R _ { 2 } } + \frac { 1 } { R _ { 3 } } + \frac { 1 } { R _ { 4 } }

Question 129

Multiple Choice

Use the formula 1R=1R1+1R2+1R3+1R4\frac { 1 } { R } = \frac { 1 } { R _ { 1 } } + \frac { 1 } { R _ { 2 } } + \frac { 1 } { R _ { 3 } } + \frac { 1 } { R _ { 4 } } . Given R1=605ΩR _ { 1 } = 605 \Omega , R2=775ΩR _ { 2 } = 775 \Omega , R3=1,050ΩR _ { 3 } = 1,050 \Omega and R4=1,950ΩR _ { 4 } = 1,950 \Omega Find R.


A) R=946ΩR = 946 \Omega
B) R=327ΩR = 327 \Omega
C) R=227ΩR = 227 \Omega
D) R=401ΩR = 401 \Omega
E) R=1,100ΩR = 1,100 \Omega

Correct Answer:

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