Cho sơ đồ chỉnh lưu 1 pha 2 nửa chu kỳ hình tia nửa chu kỳ dùng diode như vẽ. Điện áp xoay chiều phía thứ cấp MBA là viac = 220\[\sqrt 2 \]sin100πt (V). Tải trở thuần R = 200Ω, Giá trị trung bình dòng điện qua mỗi diode là: (D)
![Cho sơ đồ chỉnh lưu 1 pha 2 nửa chu kỳ hình tia nửa chu kỳ dùng diode như vẽ. Điện áp xoay chiều phía thứ cấp MBA là viac = 220\[\sqrt 2 \]sin100πt (V). Tải trở thuần R = 200Ω, Giá trị trung (ảnh 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49KiwfUMEICwtTK7xMmTIlI6bKFNFiKgq34+o7RUHyxQ2Y3M4VtYZvx/nTazCyfhW0XhKuhP7+pXUYVMMdo3ZF4UHiY1w/sAnfz5+KcUN90KlOGbxapj38D0Xi4rcd4NF8AOaH6CcI4nAv8hYiotO9jPaOiJaQq2jh4U8Y4lEf3UaPQI/2bdC+70KE6L3ESTG4fmwrvp8zHsO6eqJunWboOnMfLLO0Qe6sWLFCzSAyql2PKaIVFRWlyjRzsQvDpcYKjeTL2Da9Gxq6tcJX/r5oUrUjlmrB+7EXdKLlXA9jfrmBGwcXwseruW74NwnzV25E0NxOqObSC4HBt3ByYRvUbT0ES47qfyCSEf8wFjH3461mMqQo4eSI1Ih3bHIXLTzCrtFeaFjuZTz3UUf4fncyPT4r8Qy2L56JaYv360QqGfevBmFut1ooW2siDlvB+JBLmX3++edZEp5NES0mCi9ZskTlL65du1a1FS7JCN8zH/0rPYd/VHBF9U4rkb4mcxpiKFou9TE66Bz2+zXBh+7Dse74XbA/FfdzX9Rw6YbZwVGI2+eLBi5eGLRKGw5eWI1vBvTBsG/PWMXQ3BLMmzdP1UvLnl8qOAZ5iJbuhtk3Ds3efgJ/qDQUK85r3ayU29gzqzNqvF8W7t0GYUifNmjgXAteY3eiuF3xLCnDelB+fn75qvLAoSXLs1D0iqKoXWrUfixp+SqeePYTtFsZpW9F9PlV8KlcE8O3Xsb5LcNRu5IzvHsNxcjBfdGjdXX86+8foeFXW3D1zkmsHdYUTlXd0bprV7SvVQGVG/TDvKMx2mvZLzExMSrYlyEtr7zyisoHFRyPPEULcddwZNsGbN4XhiiDOMv426ewc9kUfDVsBEaOnoCZ325H6O1MkSgOWMOcv8DNmjX7XdK0qaJFnwl7WVyklYGqhV+eJgHR537DlqB9uGA4Ak2IxOm9+xEWoxvkJYQjZG0AJk+cDL95y7Fx93asnjsNs1YG4xpPcVQoti2bgfFjRmPc1CXYciwC9r4qI9e25NJuf/nLX1QOKBeVZc20CxcuaFsIjkLeopUHSQ+ice9RIUSN5wMKE5cpo4+DaTesVsqyNMZqO5kqWoTCxWEinfl8nrFbrNNFMTtx4gSuXLmijLOUeRm346xkaGho+j5XruFm5D3ExtzF7RuZr3Hl2k1ERrPtKq5eD8ft8Ms4E3ocJ8Ku4VZUJMIvnsaJk6dxNuwKrkVE4fbNSzire83TF64j4nYEblzJfE9+fkusQWhJjhw5gj/+8Y9ZktdpEydOVL3jq1evZnx+MfONKyw9eKBicayeAotWccGLtFKlSnj++efVSse8gFnbPSIiQtsiK+aIlp4NGzaocjd87RIlSuDFF19UayoyMbtcuXLqb17G7cqUKYMPPvjA5H2Ula+AirrPV6lCeZT7tBzKV9D9X7ECypdLf76c9nxF9XzmfnwPTiQwot+eSugcOHAgi1jpjd8JFwUuX7585rkTM8tYXpwuEZZ4sgVsVrQoPlyDz8fHRy13zzX5atasifXr12tbZMVc0WLp4GHDhqkFGyg6nFXs06ePEgPmJppr+d3PHBs0aJA6H6VKlVKLUmRf7suW4fBQX8Neb/xe9J87+7kQM80GDhyoRil/+tOfVN04W8BmRcsQOsxZ250r6egj4bPfsOaIFodWbdu2VfW6+KXu2rWraEIgigiW1GHPI18VV2NOYdfqQEwcOwZjRo/G6LHjMSXgB+w+F52tQoWeOMReDcGuY7d1PTutqYhgiAOXOfvf//6HF154QZUhEgoO7wlObozWfd+2gF2Ilh4OGenToi9q9+7dWms6pooWqzxwlWl9nXlbgxkA7G2xy58v0TozFx2rf4z3yrnBu/MXaNuyORq6fg6Xpv0wa8dlZKZ7kxTEnlqPmX2aodk3wUi1wGiU/kYuvMEfJ9a0FwoOfVrstY4ZM0ZrsW7sSrTIpUuXlB+KVR4MV5QxVbRY5YGix5kqW4S1xXr16pV/0TrpB+/qjdBtzi5EJCfiYXQEzv6yGH3cy6FS4+FYf0MLYX18C2e3+WNA82oo+da7cBq51yJxYsxw8Pf3l+DSQoT3jIhWMTNixAglXMHBwVqLaaLFG55dZOYtFnaVB0tRYNE6NQMtnTzRe0lIll5VzNZRaO7qhq6LtKDW+1dwZPUUDOrijTrVysF11F5Yogi1pPEUPiJaVgDFilVHuTqPHlNEi93k+vXrK8e+rVI4otUMPosOZpTQUZz/FgO9PNByRJDWoHHnMJb0coGL7x6LlMcR0Sp8RLSsAPq2OOvHxUf1hfxMES32rurUqVNEVR4sQ5GJ1pVVGO5dFy0HZeZzkpQruxHQraaIlg0jomUFnDt3TkW0cwqXFzkxRbQYlMmFWouqyoMlKDLROh6A7g3d0Hp8ZmFFIqJl+4hoWQFc5otVHgxjtkwRLcYCMR6Lax3m64a3AgpDtLydWmDAitNag474W/hlQku4OHthzI6sM3YiWraPiFYxw/gs5gw6OTllyUszRbQIE67pD1u5cqXWYlsUWLROTEWz8tVQr99c/LR7N3Zv34TlEzrBvWIVNB66GieyZWylXNqJWe0rocrg3SJaNoqIVjHC6XAmTTM6viBVHpiIyyoPzBW0NQosWpdWwbdlNZV29EGpUihV6kN8UrUhus/YjBOZESQZpNw8hFWj26PjrCMiWjaKiFYxwbIlLP5HX1bdunV/V1bGVNEiHFbydeiUZyIphcBWKLBopaUiNSUJiQkJKlCVlpCYlLMgpaXptk9BiiUiS3WIaBU+XHqPEfHjx4/XWqwbmxUtXry8aJlys23bNpWXxqBQDg35y5Edc0SLicbr1q1TS4kxAZkO/ZMnT6ovl+k81pyIXGDRsnJEtPIPr1vm1PI6ZgFFve3bt0/NtjNFSt/G+4p/2RnQlyy3FmxWtDhDyAVVn332WTz99NOq0gOj2G/duqVtkRVzREsPxZDDRCbnssrDq6++anT1amtCREvICfaaeQ+wSCZFir0rDgv548w6Zbyf+JjG5+hmad68uVph3ZqwWdFi3hkTg3nx/vnPf1aiwpO9adMmo78M5ooW68Xzl4dJ0/qyNBUrVsSxY8ekp1WMiGjlH14b9NfyR/jLL79UtcgYyzhu3Dh0795dVcvgqIJtU6dOVdcQRy87d+7UXsE6sFnRonDwpmT9LHZleWLpy3rnnXdUYcDswmWOaPE1Wa6DYRNMzmX8FrvKFDLWkbdmRLSEnGBPq3Pnzmpmnb5aPub1wr8sAPjo0aOMNi5cPGHCBFWr7Oeff9ZewQhp2irzumtNvVZCIhLidY/jHuuuP93rJKdqOalpSE1OQmJSSrbEevpEk3WjF/12eWM3jnjCNBwKF53oe/bs0VrTMVW0YmNjVZ0uhj3w5uAXaUuIaAk5QUFij4r3gimVbWfOnKlKHAUFZUvdMiDu9lEs7uWB2q4ucHGthVq10s1V16NzdW2EoavDcJvelIRgLOjnBRfPcVgXahDrl3oGW6b5Ysi4tTCIDMwVuxItwpruHK/36NEjX1UeuJQ+i+j17NlT/drYGgURLfZWOWQwVq46N1gKedq0aUpQihoRrfxD0eKwkHXnTAnnmT59upqIyk20kh9H4uT2NVizZiWWzhsJrzKvo1L7KZizTNe2ei12n49BnK4L9XDncDQo/4puaFoBPefvQ8ZdmLwfAR3rwaXZFOzTmvLC7kSLcGzOKg+HDh3SWkwTLcZ1MVaFVR6OHz+u2myNgohW165dVXE9Vj01tcAeh+Fz5sxRhflyKnVdmIho5Z+iEC1D4iN3Yozre/CacQo3s0QJRePn/s6o0/4L1K1UFY27+SFIP1+WfAABXzRALa+pyKzJkjt2KVpcWoqLXCxdulRrMU20eBOwiCCHmNbuu8qJgohWly5dMkoZUxQo/jnNxurheZo0aZIakltCRES08k9Ri1bSnV0Y51YKLWadxS3DTved9ejt5IrOgbuxY0F31HFri7E/p6/4iZQDCOzUEG7Npzm2aNG3xd4S62rph3imiBarPPALZY/DVimIaLFm+DPPPJMhXJyVdXNzw08//aRt8XsoWpxp4pC8KNaJzI6IVv6xRE9rbK1SaD7zNMIN1rSLXNMVNd17I/Cw7l588AN6ObuixegtUF61VBEtBYNLKVqM8DWnNA1nVBgF/8UXX6jHtkhBRIshHoaipTfG8fAcGfoI9Yho2Q7FI1rhWNvlU7xXtjbaDfHD3Nm94VHyDZRuNB5bVCf+kPWIFtcHPHr0aLHMvjGanbN//KvHFNFilYfWrVur5ZR489siRSFatL/+9a8q0PDXX3/Vtk5HRMt2sKho6eewbi5H50ofoYp7S/QYNgLDRwyDT70P8c6n3vDdwhXWj2F+cYsWa6zz4mbCLZ3hPEGLFi2yaECmt7e3WhPRcBbMFNHiDThv3jzlD8ttSGTNFJVo6e3jjz9WC37of4zoiBfRsg0sKVoRqlZBGq4u8Ub5au0xfu1hXLpxDVeuXsfV/VPR5rPPUG9YECJTz2Jpl2IULcZGcfFHRqZzzUDOxLm6uqoLjMJliRAC1tJimgKdw/yS9JgiWoQhE2zjGoqmxLJYG0UtWjTOMNLvx540YUUNES3rp6hFK+5WEIZWfB11Jp5AOEUr6Simur2LTzosQHCWMmzX8N0X5fFB9d5YdXwPlnVwQaU6XyNrHz5nCk20OLTiWoG8eLkasB76l1h3vWzZsqoMclHBnhyrPLz99tvq/bK/l6mixbAH/et4enoqP5ctwfPA9Cb2NM1NdOVsoSmipTdGVnOGlr5D9qqZMWAJAgICRLTyQVGLVvLjq9i7IhAbDt/FI156yeexffF8rAu+jnvZLsXwg2uwdPlGhFy8jHM71mHlhkO4qT2XF4UmWlxMgrE6vr6+WksmTAN47bXXVOwPky+Z7Kw3DuEocszpYy/H8Lnc7PTp0yoOi8Gg7F1xyTAmeDJcwZjQcBaMwmU4hb9161YV8ctcK0PovA8MDFTT+Mw3ZI+RAsf3Yu+Cx2zsmIwZP1NISIg6VnM+H41BmzR+HmPPZze+PuPL6Jfjd8Fzamw7Y8Y6YiwzzeRzYwKVkzHJlgLJc8VzZOy1jRmPlefy8OHD6rs0tk124z6stsFe/JtvvimiZSZFLVqWotBEi74sDgsZGZ2dgwcPqgoJrVq1UivdVK1aVVVPoNHpzdkpBjRySKZvz834C8+SyKVLl1Y9OPrPOCzl0vM5ZaQ3a9ZM9QRZmkMPncqcLTR2zISOfO7HXgRzsBgpT58Oj5nHYOzYshu3Y8Y8j9XUz6c3fjaKD8+XKe9Xo0YNtS1zJjlENnU/bsNjoxA8+eSTRsUpL+Oy6vz++VqmHivPKfdhb9fU46xevbq6ljgxYIlgVntCRCsbFAueDGdnZ9y5c0drTXduc2l53hDMIO/Tp49KRmbiJo09JNbC4l8GN+rb8zJuz9dhLhVFh7/WucHqDzt27MhSzZQX/caNGzN8M8bg8bNHxpgv/XsaO57cjPvQzPl8NP1+xp7LyXguKQS8sdlzMrZNTkaBZIkfY6KUm1Honn/+eSXwxl7XmPFcMLSEn4/n1dg2ORn34fdhrs/O0RHRygYdpKyvTnFij4q9FAoFu/IcGtJfYs11qOwJ9jjZezEXflfm+LRoLHXCoTd7u7aWXO5oiGgZgb98/KAc1nAoxe4/HfPsDVnKSevoWGL2kMY6Y1wfMjQ0VC1TX7JkSYvMHgr5R0QrF+g45oXM0hbZgxGFosUSokUfHS9oDp2JJeO0hPwjoiVYJUUpWnTuswa/Ya0yS0fEC/lHREuwSopKtBi3xiqu2fMPRbRsBxEtwSopbNFiKANDDbZs2aJtlRURLdtBREuwSgpTtF555RW1wlFuYiSiZTuIaAlWSUFEixc0xeqpp55SsV7Lly/PM0yFomXJIoBC/hHREqySgogWQ1NeeuklVaWDBRFNqczBbZgLyIyGvKqcCsWLiJZglRREtJjfx3Qsc8WHKxZzYVv2ugTrRURLsEoKIloFwZL10oT8oRctd3d3k5cQE9ESipziEi3B+qFosQ4aU69YMYP17fTGNDzm5Rq20VfJAgG5LtZaDIho2RkiWkJOUJR4bbz44osqOZ75qZUrV1alhZhyx16Vvo1VVJh0z+wHFhqwJkS07AwRLSEnOIRn7bqhQ4eqvFEuaMxrhQUOSpQooSZTfHx81ELFfI69soULFyImJkZ7BetARMvOENEScoPCdf/+fURHRytjhgNLM7HAAcWMj/XP0TiktDZEtOwMES3BXOiU5zCQ9e5sAREtO0NESzAXruPAYGKWFbcFRLTsDBEtwVxEtIRiRURLMBcRLaFYEdESzEVESyhWRLQEcxHREooVES3BXES0hGJFREswFxEtoVgR0RLMRURLKFb0osV8stTUVK1VEHLm5s2bKhdRREsoFti7omjxIgwLC1PRzmJiORkFa+/evapctoiWUCwwV6xPnz6qbHLDhg3VUvVNmzYVEzNqnp6eaoVwXi8TJ07UriLrRkTLzmD10FWrVqmaSXXr1hUTy9M8PDzg6uqqqs/aAiJagiDYFCJagiDYFCJagiDYFCJagiDYFCJagiDYFCJagiDYEMD/AeNSMFJQ13YgAAAAAElFTkSuQmCC)
Trả lời:
Đáp án đúng: D
Điện áp đỉnh: Vm = 220√2 V
Dòng điện đỉnh: Im = Vm/R = (220√2)/200 = 1,555 (A)
Dòng điện trung bình qua mỗi diode (IdTB) trong sơ đồ chỉnh lưu tia 1 pha nửa chu kỳ được tính như sau:
IdTB = Im / π = 1,555/π ≈ 0,495 A ≈ 0,5A





