For a quarter wave transformer characteristic impedance

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For a quarter wave transformer characteristic impedance is related with input and load impedance—

1. Z₀ = √Z_R/Z_S
2. Z₀ = √Z_R.R_S
3. Z₀ = √ Z_R
  Z_s
4. Z₀ = 1
  √Z_sZ_S

Correct Option: B

Refer synopsis