Four wires each of length $2.0\, metres$ are bent into four loops $P$, $Q$, $R$ and $S$ and then suspended into uniform magnetic field. Same current is passed in each loop. Which statement is correct
  • ACouple on loop $P$ will be the highest
  • BCouple on loop $Q$ will be the highest
  • CCouple on loop $R$ will be the highest
  • DCouple on loop $S$ will be the highest
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