Answer:
The resistance must be:
Explanation:
Remember the formula to obtain equivalent resistance:
How we know the value of the equivalent resistance (0.2 ohms) and the value of the resistance 1 (R1= 1.0 ohm), we can replace these values in the formula 1:
And we operate:
Now, we clear the variable R2:
The value is given in Ohms because that was the unit used in the other variables. In this form, you can know that the resistance that must be used to obtain an equivalent resistance of 0.2 Ohms is <u>0.25 Ohms</u> in parallel with a resistance of 1.0 Ohm.
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