For type-A chopper; Vs, R, I0 and α are respectively the

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For type-A chopper; V_s, R, I₀ and α are respectively the dc source voltage, load resistance, constant load current and duty cycle. For this chopper, average and rms values of freewheeling diode currents are—

1. αI₀, √α
  · I₀
2. (1 – α) I₀, √&1- α
  · I₀
3. α·V_s/R, √α
  · Vs/R
4. (1 – α) I₀, √α · I₀

Correct Option: B

NA