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Two 120 ohm resistors are arranged in parallel to replace a faulty resistor. The faulty resistor had an original value of:

  a.   15 ohm

  b.   30 ohm

  c.   60 ohm

  d.   120 ohm
Your answer "a" is not correct. "c" is the right answer.

120 / 2 = 60 ohms.

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