Three equal resistors connected in series across a source of $e.m.f.$ together dissipate $10\, watt$. If the same resistors are connected in parallel across the same $e.m.f.$, then the power dissipated will be .............. $watt$
  • A$10$
  • B$30$
  • C$10/3$
  • D$90$
AIPMT 1998, Medium
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