MCQ
Three resistances, each of 1 ohm, are joined in parallel. Three such combinations are put in series, then the resultant resistance will be
- A9 ohm
- B3 ohm
- ✓1 ohm
- D$\frac{1}{3}$ohm
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${}_Z{X^A} \to {}_{Z + 1}{Y^A} + {}_{ - 1}{e^0} + \bar v$ , represents
