Report - λ w a π w a λ Copyright @ Md Shah Jamal edubd24 `‡N¨i cv_K¨ 2m n‡j gva¨‡g k‡ãi †eM KZ| Avgiv Rvwb, 2 1 2 2 f V f V 2 1 2 480 V 320 V GLv‡b, K¤úv¼, f 1= 128Hz

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