A $12.0\,\Omega$ resistor and a $6.0\,\Omega$ resistor are joined in parallel. A further $6.0\,\Omega$ resistor is then added in series with the parallel pair. What is the total resistance of the three resistors together?
- A$8.0\,\Omega$
- B$10\,\Omega$
- C$15\,\Omega$
- D$24\,\Omega$