Question: What resistance must be placed in parallel with a 10 Ohm resistor to make the combined resistance 2 Ohm? Can you please show how (C)

What resistance must be placed in parallel with a 10 Ohm resistor to make the combined resistance 2 Ohm?

Can you please show how (C) is the correct answer. Thank You!

A. 1.25 Ohm

B. 5 Ohms

C. 2.5 Ohm

D. 1 Ohm

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