Find the magnetic field induction at 'O' due to the given current carrying wire in diagram :

Options

• Option A

  -[μ₀i/(4πr)]ĵ - [μ₀i/(4R)+μ₀i/(4πR)]k̂

• Option B

  [μ₀i/(4πR)]ĵ + [μ₀i/(4R)]k̂

• Option C

  [μ₀i/(4πr)]î - [μ₀i/(4R)+μ₀i/(4πR)]k̂

• Option D

  [μ₀i/(4πr)]î - [μ₀i/(4R)+μ₀i/(4πR)]ĵ