SOLUTION: Given the formula 1/RT=1/R1+1/R2+R3 for the resistance of a circuit, determine the resistance R2 if R1 = 5 ohms, RT = 2 ohms and R3= 3 ohms.
PLEASE VERY CONFUSED, HAVE NO ID
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Question 94999: Given the formula 1/RT=1/R1+1/R2+R3 for the resistance of a circuit, determine the resistance R2 if R1 = 5 ohms, RT = 2 ohms and R3= 3 ohms.
PLEASE VERY CONFUSED, HAVE NO IDEA, STEP BY STEP PLEASE, I NEED TO LEARN THIS. . . THANK YOU FOR THE REVIEW.
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
1/(R2+R3)=1/RT-1/R1 ... 1/(R2+R3)=1/2-1/5 ... LCD is 10 ... 1/(R2+R3)=5/10-2/10=3/10
R2+3=10/3 ... 3R2+9=10 ... 3R2=1 ... R2=1/3
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