Figure shows the net power dissipated in R versus the current in a simple circuit shown.

Select all that apply

• Option A

  Internal resistance of the battery is 0.2 Ω

• Option B

  Emf of the battery is 2 V

• Option C

  R for which power is 5 W is 2.5 Ω

• Option D

  At i = 2 A, power is 3.2 W