Apart_from_connection_which_of_the_following_is_different_in_star/delta_or_delta/star_compare_to_delta/delta?$

• A. Flux is flat-topped
• B. Impedance offered to third-harmonic currents in delta is less
• C. Impedance offered to third-harmonic currents in delta is constant
• D. Impedance offered to third-harmonic currents in delta is more