Consider four circuit configurations, each constructed using three identical resistors of resistance R: I. All three resistors connected in parallel. II. Two resistors in parallel, connected in series with the third resistor. III. Two resistors in series, connected in parallel with the third resistor. IV. All three resistors connected in series. Arrange these configurations in the increasing order of their equivalent resistance:
Options:
- A: I
- B: III
- C: I
- D: IV
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